diff --git a/404.html b/404.html
index f48b4c2..89c74fb 100644
--- a/404.html
+++ b/404.html
@@ -204,6 +204,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -235,6 +236,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -243,7 +246,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -272,18 +274,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href="/."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="/images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/About/index.html b/About/index.html
index 2a62a7f..1166370 100644
--- a/About/index.html
+++ b/About/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Decrire_Objets_Joconde/index.html b/Decrire_Objets_Joconde/index.html
index 94f2863..319eb5e 100644
--- a/Decrire_Objets_Joconde/index.html
+++ b/Decrire_Objets_Joconde/index.html
@@ -208,6 +208,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -239,6 +240,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -247,7 +250,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -276,18 +278,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Export_Joconde/index.html b/Export_Joconde/index.html
index dc25343..4bcc2d0 100644
--- a/Export_Joconde/index.html
+++ b/Export_Joconde/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Introduction/index.html b/Introduction/index.html
index 7ba9a1a..8ec7532 100644
--- a/Introduction/index.html
+++ b/Introduction/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Recolement/index.html b/Recolement/index.html
index a0de62e..9ec0a90 100644
--- a/Recolement/index.html
+++ b/Recolement/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Registre_biens/index.html b/Registre_biens/index.html
index 97202c4..f054de1 100644
--- a/Registre_biens/index.html
+++ b/Registre_biens/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/SUMMARY/index.html b/SUMMARY/index.html
index df37a08..bb642c6 100644
--- a/SUMMARY/index.html
+++ b/SUMMARY/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Saisie_Entite/index.html b/Saisie_Entite/index.html
index 5d09c13..39adbb8 100644
--- a/Saisie_Entite/index.html
+++ b/Saisie_Entite/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Saisie_Joconde/index.html b/Saisie_Joconde/index.html
index 005b6e1..c50ffcb 100644
--- a/Saisie_Joconde/index.html
+++ b/Saisie_Joconde/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/Saisie_Lieux/index.html b/Saisie_Lieux/index.html
index d869194..89510ed 100644
--- a/Saisie_Lieux/index.html
+++ b/Saisie_Lieux/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/bak/chapter2/index.html b/bak/chapter2/index.html
index b261d45..741f5be 100644
--- a/bak/chapter2/index.html
+++ b/bak/chapter2/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href="../.."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/bak/chapter5/index.html b/bak/chapter5/index.html
index a5c0785..7c86200 100644
--- a/bak/chapter5/index.html
+++ b/bak/chapter5/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href="../.."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/bak/chapter6/index.html b/bak/chapter6/index.html
index 318e3e0..dc86393 100644
--- a/bak/chapter6/index.html
+++ b/bak/chapter6/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href="../.."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/bak/chapter7/index.html b/bak/chapter7/index.html
index 5aeac0d..4709220 100644
--- a/bak/chapter7/index.html
+++ b/bak/chapter7/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href="../.."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapaffichage/index.html b/chapaffichage/index.html
index fce2648..144b06d 100644
--- a/chapaffichage/index.html
+++ b/chapaffichage/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapformrech/index.html b/chapformrech/index.html
index 9feeb60..58a65c0 100644
--- a/chapformrech/index.html
+++ b/chapformrech/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapter3/index.html b/chapter3/index.html
index 9ca16be..29a4f21 100644
--- a/chapter3/index.html
+++ b/chapter3/index.html
@@ -204,6 +204,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -235,6 +236,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -243,7 +246,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -272,18 +274,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterIII_traitements_lots/index.html b/chapterIII_traitements_lots/index.html
index f2fa6a9..fb27317 100644
--- a/chapterIII_traitements_lots/index.html
+++ b/chapterIII_traitements_lots/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterII_recherche/index.html b/chapterII_recherche/index.html
index 72d878d..1e14fed 100644
--- a/chapterII_recherche/index.html
+++ b/chapterII_recherche/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterIV_objet_modelise/index.html b/chapterIV_objet_modelise/index.html
index b0fbf44..641f868 100644
--- a/chapterIV_objet_modelise/index.html
+++ b/chapterIV_objet_modelise/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterIX_parametrage_grille_saisie/index.html b/chapterIX_parametrage_grille_saisie/index.html
index 905ba9c..5786cd6 100644
--- a/chapterIX_parametrage_grille_saisie/index.html
+++ b/chapterIX_parametrage_grille_saisie/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
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-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterVIII_Import_medias_lot/index.html b/chapterVIII_Import_medias_lot/index.html
index dc4855f..285eb23 100644
--- a/chapterVIII_Import_medias_lot/index.html
+++ b/chapterVIII_Import_medias_lot/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
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-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterVII_configuration_site_internet/index.html b/chapterVII_configuration_site_internet/index.html
index eb1bd00..bc99533 100644
--- a/chapterVII_configuration_site_internet/index.html
+++ b/chapterVII_configuration_site_internet/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
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-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterV_recolement_decennal/index.html b/chapterV_recolement_decennal/index.html
index cfe0910..b358b8d 100644
--- a/chapterV_recolement_decennal/index.html
+++ b/chapterV_recolement_decennal/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterXI_connexion_demarrage/index.html b/chapterXI_connexion_demarrage/index.html
index 811d418..321dfe6 100644
--- a/chapterXI_connexion_demarrage/index.html
+++ b/chapterXI_connexion_demarrage/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
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@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/chapterX_Parametrage_listes_vocabulaire/index.html b/chapterX_Parametrage_listes_vocabulaire/index.html
index 25877d2..57a8679 100644
--- a/chapterX_Parametrage_listes_vocabulaire/index.html
+++ b/chapterX_Parametrage_listes_vocabulaire/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
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-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/credits/index.html b/credits/index.html
index f14426e..e0c6117 100644
--- a/credits/index.html
+++ b/credits/index.html
@@ -206,6 +206,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -237,6 +238,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -245,7 +248,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -274,18 +276,6 @@
   >
 
     <!-- Link to home -->
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-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/index.html b/index.html
index b568f18..3d19c73 100644
--- a/index.html
+++ b/index.html
@@ -211,6 +211,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -242,6 +243,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -250,7 +253,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -279,18 +281,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href="."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/redactorhelp/index.html b/redactorhelp/index.html
index 926b06f..5454c48 100644
--- a/redactorhelp/index.html
+++ b/redactorhelp/index.html
@@ -209,6 +209,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -240,6 +241,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -248,7 +251,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
 		}
 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -277,18 +279,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/sitemap.xml.gz b/sitemap.xml.gz
index 6ebd44e..6f2ef4f 100644
Binary files a/sitemap.xml.gz and b/sitemap.xml.gz differ
diff --git a/tech_install/index.html b/tech_install/index.html
index 7684b09..a28b6f9 100644
--- a/tech_install/index.html
+++ b/tech_install/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
 		#supranav li#supranav-github {
@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">
       
diff --git a/tech_logiciels/index.html b/tech_logiciels/index.html
index 3eb1ad8..491868e 100644
--- a/tech_logiciels/index.html
+++ b/tech_logiciels/index.html
@@ -213,6 +213,7 @@
 	<style>
 		body {
 			margin: 0;
+		    margin-top: 50px !important;
 			padding: 0;
 		}
 
@@ -244,6 +245,8 @@
 		#supranav li a {
 			color: #666666;
 			text-decoration: none;
+			font-family: "Source Sans 3", sans-serif;
+			font-size:16px !important;
 		}
 		#supranav li a:hover {
 			color: #666666;
@@ -252,7 +255,6 @@
 		#supranav li#logo {
 			height:32px;
 			padding:8px;
-			overflow: hidden;
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 		#supranav li#supranav-enveloppe,
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@@ -281,18 +283,6 @@
   >
 
     <!-- Link to home -->
-    <a
-      href=".."
-      title="Guide utilisateur CollectiveAccess"
-      class="md-header__button md-logo"
-      aria-label="Guide utilisateur CollectiveAccess"
-      data-md-component="logo"
-    >
-      
-  <img src="../images/logo.png" alt="logo">
-
-    </a>
-
     <!-- Button to open drawer -->
     <label class="md-header__button md-icon" for="__drawer">