diff --git a/public/aniridie.html b/public/aniridie.html
index d3c6fe37dc97cbacfa0a4f1bbcd3338db367f60a..a85bac7b2d22fd869230580d093b38bf3a95a985 100644
--- a/public/aniridie.html
+++ b/public/aniridie.html
@@ -34,96 +34,114 @@ document.getElementById('correction').innerHTML = score + " bonnes réponses sur
 </head>
 <body>
 
-    <!-- Navbar -->
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid"> 
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
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-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>	
+	    <!-- Navbar --> 
 
-	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
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-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
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-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
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-		<symbol id="sun-fill" viewBox="0 0 16 16">
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-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
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-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
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-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
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-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
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-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
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-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+		<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
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+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
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+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
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+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
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+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
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+						</div>
+					  -->
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+				</div>
+			  </div>
+		  </nav>
+	
 
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diff --git a/public/apropos.html b/public/apropos.html
index 0a711c56cba2f873eee62188042f01ad7b20cd06..3afb38e6364782992c6d19af37ac181b29f4e7c3 100644
--- a/public/apropos.html
+++ b/public/apropos.html
@@ -10,96 +10,113 @@
 </head>
 <body>
 
-    <!-- Navbar -->
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
+    <!-- Navbar --> 
+
+    <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+      <symbol id="check2" viewBox="0 0 16 16">
+        <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+      </symbol>
+      <symbol id="circle-half" viewBox="0 0 16 16">
+        <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+      </symbol>
+      <symbol id="moon-stars-fill" viewBox="0 0 16 16">
+        <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+        <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+      </symbol>
+      <symbol id="sun-fill" viewBox="0 0 16 16">
+        <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+      </symbol>
+    </svg>
+
+    <nav class="navbar navbar-expand-md navbar-dark bg-dark">
         <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices 
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
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-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link active" href="apropos.html">&Agrave; propos</a>
-              	</li>
+
+            <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+                <div class="offcanvas-header px-4 pb-0">
+                  <h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+                  <button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+                </div>
+          
+                <div class="offcanvas-body p-4 pt-0 p-lg-0">
+          <div class="collapse navbar-collapse" id="navbarCollapse">
+            <ul class="navbar-nav me-auto mb-2 mb-md-0">
+              <li class="nav-item">
+                <a class="nav-link " aria-current="page" href="index.html">
+                    <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+                        <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+                      </svg> 
+                      Accueil</a>
+              </li>
+              <li class="nav-item dropdown">
+                <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+                  Exercices
+                </a>
+                <ul class="dropdown-menu">
+                  <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+                  <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+                  <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+                  <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+                  <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+                  <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+                  <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+                  <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+                </ul>
+            </li>
+            <li class="nav-item">
+                <a class="nav-link active" href="apropos.html">&Agrave; propos</a>
+              </li>
             </ul>
-          </div>
-        </div>
-      </nav>
 
-	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
-		</symbol>
-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
+            <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+                <li class="nav-item col-6 col-lg-auto">
+                  <a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+                    <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+                    <small class="d-lg-none ms-2">GitLab</small>
+                  </a>
+                </li>
+
 
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+
+              <!--  
+                    <div class="dropdown bd-mode-toggle">
+                    <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+                            id="bd-theme"
+                            type="button"
+                            aria-expanded="false"
+                            data-bs-toggle="dropdown"
+                            aria-label="Toggle theme (auto)">
+                      <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+                      <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+                    </button>
+                    <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+                      <li>
+                        <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+                          <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+                          Clair
+                          <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+                        </button>
+                      </li>
+                      <li>
+                        <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+                          <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+                          Sombre
+                          <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+                        </button>
+                      </li>
+                      <li>
+                        <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+                          <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+                          Auto
+                          <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+                        </button>
+                      </li>
+                    </ul>
+                  </div>
+                -->
+            </ul>     
+          </div>
+        </div>
+    </nav>
 
     <!-- Home -->
 
diff --git a/public/favisme.html b/public/favisme.html
index 54a66c6a2b7ca65f2a15456352eb5b9ecd8f632d..c5a723211cec804683adf8aa10ad3a6a889055b7 100644
--- a/public/favisme.html
+++ b/public/favisme.html
@@ -40,96 +40,113 @@ document.getElementById('correction').innerHTML = score + " bonnes réponses sur
 </head>
 <body>
 
-    <!-- Navbar --> 
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>
-	  
-	  	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
-		</symbol>
-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
+ 	    <!-- Navbar --> 
 
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+		 <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
 
 
     <!-- Home -->
diff --git a/public/hunting.html b/public/hunting.html
index 445b999573bf03bd9880f3c131d3fb56b3736b0c..9202bcba0cabd8057a746ee5bef20dbc8a4aae89 100644
--- a/public/hunting.html
+++ b/public/hunting.html
@@ -36,96 +36,113 @@ document.getElementById('correction').innerHTML = score + " bonnes réponses sur
 </head>
 <body>
 
-    <!-- Navbar --> 
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>	
+	    <!-- Navbar --> 
 
-	  	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
-		</symbol>
-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+		<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
 
     <!-- Home -->
 
diff --git a/public/index.html b/public/index.html
index a6b3bb49283925297edd572ea50502b8dac495ef..3a847ac6f94856641590d31e4192b711959c250c 100644
--- a/public/index.html
+++ b/public/index.html
@@ -11,95 +11,113 @@
 <body>
 
     <!-- Navbar --> 
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link active" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
+
+    <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+        <symbol id="check2" viewBox="0 0 16 16">
+          <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+        </symbol>
+        <symbol id="circle-half" viewBox="0 0 16 16">
+          <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+        </symbol>
+        <symbol id="moon-stars-fill" viewBox="0 0 16 16">
+          <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+          <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+        </symbol>
+        <symbol id="sun-fill" viewBox="0 0 16 16">
+          <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+        </symbol>
+      </svg>
+  
+      <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+          <div class="container-fluid">
+  
+              <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+                  <div class="offcanvas-header px-4 pb-0">
+                    <h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+                    <button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+                  </div>
+            
+                  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+            <div class="collapse navbar-collapse" id="navbarCollapse">
+              <ul class="navbar-nav me-auto mb-2 mb-md-0">
+                <li class="nav-item">
+                  <a class="nav-link active" aria-current="page" href="index.html">
+                      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+                          <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+                        </svg> 
+                        Accueil</a>
+                </li>
                 <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
+                  <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+                    Exercices
+                  </a>
+                  <ul class="dropdown-menu">
+                    <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+                    <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+                    <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+                    <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+                    <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+                    <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+                    <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+                    <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+                  </ul>
+              </li>
+              <li class="nav-item">
+                  <a class="nav-link" href="apropos.html">&Agrave; propos</a>
                 </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
+              </ul>
+  
+              <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+                  <li class="nav-item col-6 col-lg-auto">
+                    <a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+                      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+                      <small class="d-lg-none ms-2">GitLab</small>
+                    </a>
+                  </li>
+  
+  
+  
+                <!--  
+                      <div class="dropdown bd-mode-toggle">
+                      <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+                              id="bd-theme"
+                              type="button"
+                              aria-expanded="false"
+                              data-bs-toggle="dropdown"
+                              aria-label="Toggle theme (auto)">
+                        <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+                        <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+                      </button>
+                      <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+                        <li>
+                          <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+                            <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+                            Clair
+                            <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+                          </button>
+                        </li>
+                        <li>
+                          <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+                            <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+                            Sombre
+                            <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+                          </button>
+                        </li>
+                        <li>
+                          <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+                            <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+                            Auto
+                            <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+                          </button>
+                        </li>
+                      </ul>
+                    </div>
+                  -->
+              </ul>     
+            </div>
           </div>
-        </div>
       </nav>
 
-      	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
-		</symbol>
-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
 
     <!-- Home -->
 
diff --git a/public/lowesynd.html b/public/lowesynd.html
index 13d598eac98e1f5d131d8520f8dcbee1e6b2e519..2d009e842bd3cacae01dc383178c4057574e6fb8 100644
--- a/public/lowesynd.html
+++ b/public/lowesynd.html
@@ -41,98 +41,113 @@ document.getElementById('correction').innerHTML = score + " bonnes réponses sur
 
 </head>
 <body>
+	    <!-- Navbar --> 
 
-    <!-- Navbar --> 
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
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-                    </ul>
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-              	</li>
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-		<symbol id="circle-half" viewBox="0 0 16 16">
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-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
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-		<symbol id="sun-fill" viewBox="0 0 16 16">
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-
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-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
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-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
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-		  </li>
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-	  </div>
--->
-
+		<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
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diff --git a/public/mucovisc.html b/public/mucovisc.html
index af6233f7e1da511d2f2d5f03a1c171080aee90f9..96648f5c4e8fafb23d991eb05913371777028966 100644
--- a/public/mucovisc.html
+++ b/public/mucovisc.html
@@ -39,96 +39,113 @@ document.getElementById('correction').innerHTML = score + " bonnes réponses sur
 </head>
 <body>
 
-     <!-- Navbar --> 
-	 <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
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-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>	
+	    <!-- Navbar --> 
 
-	  	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
-		</symbol>
-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
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-				type="button"
-				aria-expanded="false"
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-				aria-label="Toggle theme (auto)">
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-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
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-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
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-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+		<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
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+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
 
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diff --git a/public/myopath.html b/public/myopath.html
index baafba7320f3320549745d1249d1cf9ea90da2dc..b1fc00b843d741fd65d4a9f2280419f84a508cf6 100644
--- a/public/myopath.html
+++ b/public/myopath.html
@@ -41,96 +41,113 @@
 </head>
 <body>
 
-    <!-- Navbar --> 
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>	
+ 	    <!-- Navbar --> 
 
-	  	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
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-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
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-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
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-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
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-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
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-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+		 <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
 
     <!-- Home -->
 
diff --git a/public/phenylc.html b/public/phenylc.html
index 835b0c3dde3484fbbfad430822ec9133b7477d5b..fe608f50ec91dce06969d3548a53410bd4858aad 100644
--- a/public/phenylc.html
+++ b/public/phenylc.html
@@ -39,96 +39,113 @@
 </head>
 <body>
 
-    <!-- Navbar --> 
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link" href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>	
+	    <!-- Navbar --> 
 
-	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
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-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+		<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
 
     <!-- Home -->
 
diff --git a/public/surmut.html b/public/surmut.html
index f265f200f8598b996c4590f9ee35af79b2bd5c98..9ec905f3b76b0cddbbafa97a71ad3673488d6752 100644
--- a/public/surmut.html
+++ b/public/surmut.html
@@ -39,97 +39,113 @@ document.getElementById('correction').innerHTML = score + " bonnes réponses sur
 </head>
 <body>
 
-    <!-- Navbar -->
-    <nav class="navbar navbar-expand-lg bg-body-tertiary">
-        <div class="container-fluid">
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarNav">
-            <ul class="navbar-nav">
-				<li class="nav-item">
-					<a class="nav-link " href="index.html"> 
-						<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
-							<path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
-					  	</svg> Accueil
-					</a>
-				</li>
-                <li class="nav-item dropdown">
-                    <a class="nav-link active dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-                      Exercices
-                    </a>
-                    <ul class="dropdown-menu">
-                      <li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
-                      <li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
-                      <li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
-                      <li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
-                      <li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
-                      <li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
-                      <li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
-                      <li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
-                    </ul>
-                </li>
-                <li class="nav-item">
-                	<a class="nav-link" href="apropos.html">&Agrave; propos</a>
-              	</li>
-            </ul>
-          </div>
-        </div>
-      </nav>
-
-	  	<!-- Toggle Clair / Sombre-->
-<!--	  <svg xmlns="http://www.w3.org/2000/svg" class="d-none">
-		<symbol id="check2" viewBox="0 0 16 16">
-		  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
-		</symbol>
-		<symbol id="circle-half" viewBox="0 0 16 16">
-		  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
-		</symbol>
-		<symbol id="moon-stars-fill" viewBox="0 0 16 16">
-		  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
-		  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
-		</symbol>
-		<symbol id="sun-fill" viewBox="0 0 16 16">
-		  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
-		</symbol>
-	  </svg>
-
-	  <div class="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-		<button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-				id="bd-theme"
-				type="button"
-				aria-expanded="false"
-				data-bs-toggle="dropdown"
-				aria-label="Toggle theme (auto)">
-		  <svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
-		  <span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
-		</button>
-		<ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
-			  Clair
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
-			  Sombre
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		  <li>
-			<button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
-			  <svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
-			  Auto
-			  <svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
-			</button>
-		  </li>
-		</ul>
-	  </div>
--->
+	    <!-- Navbar --> 
 
+		<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
+			<symbol id="check2" viewBox="0 0 16 16">
+			  <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/>
+			</symbol>
+			<symbol id="circle-half" viewBox="0 0 16 16">
+			  <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"/>
+			</symbol>
+			<symbol id="moon-stars-fill" viewBox="0 0 16 16">
+			  <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"/>
+			  <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"/>
+			</symbol>
+			<symbol id="sun-fill" viewBox="0 0 16 16">
+			  <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"/>
+			</symbol>
+		  </svg>
+	  
+		  <nav class="navbar navbar-expand-md navbar-dark bg-dark">
+			  <div class="container-fluid">
+	  
+				  <div class="offcanvas-lg offcanvas-end flex-grow-1" tabindex="-1" id="bdNavbar" aria-labelledby="bdNavbarOffcanvasLabel" data-bs-scroll="true">
+					  <div class="offcanvas-header px-4 pb-0">
+						<h5 class="offcanvas-title text-white" id="bdNavbarOffcanvasLabel">Bootstrap</h5>
+						<button type="button" class="btn-close btn-close-white" data-bs-dismiss="offcanvas" aria-label="Close" data-bs-target="#bdNavbar"></button>
+					  </div>
+				
+					  <div class="offcanvas-body p-4 pt-0 p-lg-0">
+				<div class="collapse navbar-collapse" id="navbarCollapse">
+				  <ul class="navbar-nav me-auto mb-2 mb-md-0">
+					<li class="nav-item">
+					  <a class="nav-link " aria-current="page" href="index.html">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-house-door-fill" viewBox="0 0 16 16">
+							  <path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5"/>
+							</svg> 
+							Accueil</a>
+					</li>
+					<li class="nav-item dropdown">
+					  <a class="nav-link dropdown-toggle active" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+						Exercices
+					  </a>
+					  <ul class="dropdown-menu">
+						<li><a class="dropdown-item" href="phenylc.html">Phénylcétonurie</a></li>
+						<li><a class="dropdown-item" href="aniridie.html">Aniridie</a></li>
+						<li><a class="dropdown-item" href="favisme.html">Favisme</a></li>
+						<li><a class="dropdown-item" href="surmut.html">Surdi-mutité</a></li>
+						<li><a class="dropdown-item" href="myopath.html">Myopathie de Duchenne</a></li>
+						<li><a class="dropdown-item" href="mucovisc.html">Mucoviscidose</a></li>
+						<li><a class="dropdown-item" href="hunting.html">Chorée de Huntington</a></li>
+						<li><a class="dropdown-item" href="lowesynd.html">Syndrôme de Lowe</a></li>
+					  </ul>
+				  </li>
+				  <li class="nav-item">
+					  <a class="nav-link " href="apropos.html">&Agrave; propos</a>
+					</li>
+				  </ul>
+	  
+				  <ul class="navbar-nav flex-row flex-wrap ms-md-auto">
+					  <li class="nav-item col-6 col-lg-auto">
+						<a class="nav-link py-2 px-0 px-lg-2" href="https://forge.apps.education.fr/bio/heredite" target="_blank" rel="noopener">
+						  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-gitlab" viewBox="0 0 16 16"><title>Le projet «hérédité» sur la Forge des communs numériques éducatifs</title>  <path d="m15.734 6.1-.022-.058L13.534.358a.57.57 0 0 0-.563-.356.6.6 0 0 0-.328.122.6.6 0 0 0-.193.294l-1.47 4.499H5.025l-1.47-4.5A.572.572 0 0 0 2.47.358L.289 6.04l-.022.057A4.044 4.044 0 0 0 1.61 10.77l.007.006.02.014 3.318 2.485 1.64 1.242 1 .755a.67.67 0 0 0 .814 0l1-.755 1.64-1.242 3.338-2.5.009-.007a4.05 4.05 0 0 0 1.34-4.668Z"/></svg>
+						  <small class="d-lg-none ms-2">GitLab</small>
+						</a>
+					  </li>
+	  
+	  
+	  
+					<!--  
+						  <div class="dropdown bd-mode-toggle">
+						  <button class="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
+								  id="bd-theme"
+								  type="button"
+								  aria-expanded="false"
+								  data-bs-toggle="dropdown"
+								  aria-label="Toggle theme (auto)">
+							<svg class="bi my-1 theme-icon-active" width="1em" height="1em"><use href="#circle-half"></use></svg>
+							<span class="visually-hidden" id="bd-theme-text">Toggle theme</span>
+						  </button>
+						  <ul class="dropdown-menu dropdown-menu-end shadow" aria-labelledby="bd-theme-text">
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="light" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#sun-fill"></use></svg>
+								Clair
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark" aria-pressed="false">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#moon-stars-fill"></use></svg>
+								Sombre
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+							<li>
+							  <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="auto" aria-pressed="true">
+								<svg class="bi me-2 opacity-50" width="1em" height="1em"><use href="#circle-half"></use></svg>
+								Auto
+								<svg class="bi ms-auto d-none" width="1em" height="1em"><use href="#check2"></use></svg>
+							  </button>
+							</li>
+						  </ul>
+						</div>
+					  -->
+				  </ul>     
+				</div>
+			  </div>
+		  </nav>
     <!-- Home -->
 
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