diff --git a/manuels/templates/manuels/base.html b/manuels/templates/manuels/base.html
index 0b11dbb..dba51b9 100644
--- a/manuels/templates/manuels/base.html
+++ b/manuels/templates/manuels/base.html
@@ -4,20 +4,28 @@
 <html lang="fr">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <meta name="viewport"
+          content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <title>Manuels - {% block title %}{% endblock %}</title>
 
-    <link rel="apple-touch-icon" sizes="180x180" href="{% static 'icons/apple-touch-icon.png' %}?v=yyLzeamAbE">
-    <link rel="icon" type="image/png" sizes="32x32" href="{% static 'icons/favicon-32x32.png' %}?v=yyLzeamAbE">
-    <link rel="icon" type="image/png" sizes="16x16" href="{% static 'icons/favicon-16x16.png' %}?v=yyLzeamAbE">
-    <link rel="manifest" href="{% static 'icons/site.webmanifest' %}?v=yyLzeamAbE">
-    <link rel="mask-icon" href="{% static 'icons/safari-pinned-tab.svg' %}?v=yyLzeamAbE" color="#000000">
-    <link rel="shortcut icon" href="{% static 'icons/favicon.ico' %}?v=yyLzeamAbE">
+    <link rel="apple-touch-icon" sizes="180x180"
+          href="{% static 'icons/apple-touch-icon.png' %}">
+    <link rel="icon" type="image/png" sizes="32x32"
+          href="{% static 'icons/favicon-32x32.png' %}">
+    <link rel="icon" type="image/png" sizes="16x16"
+          href="{% static 'icons/favicon-16x16.png' %}">
+    <link rel="manifest" href="{% static 'icons/site.webmanifest' %}">
+    <link rel="mask-icon" href="{% static 'icons/safari-pinned-tab.svg' %}"
+          color="#000000">
+    <link rel="shortcut icon" href="{% static 'icons/favicon.ico' %}">
     <meta name="msapplication-TileColor" content="#2d89ef">
-    <meta name="msapplication-config" content="{% static 'icons/browserconfig.xml' %}?v=yyLzeamAbE">
+    <meta name="msapplication-config"
+          content="{% static 'icons/browserconfig.xml' %}">
     <meta name="theme-color" content="#ffffff">
-    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">
-    <!--    <link rel="stylesheet" href="{% static 'css/style.css' %}">-->
+    <link rel="stylesheet"
+          href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"
+          integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l"
+          crossorigin="anonymous">
 
 </head>
 <body>
@@ -25,8 +33,10 @@
     <nav class="navbar navbar-expand-lg navbar-light bg-light">
         <a class="navbar-brand" href="{% url 'home_page' %}">Manuels scolaires</a>
         {% if user.is_authenticated or teacher and teacher.email in authorized_mails %}
-            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
-                    aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+            <button class="navbar-toggler" type="button" data-toggle="collapse"
+                    data-target="#navbarSupportedContent"
+                    aria-controls="navbarSupportedContent" aria-expanded="false"
+                    aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
             </button>
             <div class="collapse navbar-collapse" id="navbarSupportedContent">
@@ -52,21 +62,25 @@
             {% endblock %}
         </div>
     </main>
-    
+
     <footer class="bg-light py-3">
-      <div class="container-fluid">
+        <div class="container-fluid">
         <span class="text-muted">Ce service est un logiciel libre sous licence MIT réalisé par
             Gabriel Augendre d'après des besoins exprimés par Sandrine Augendre. Le code source est disponible
             <a href="https://git.augendre.info/gaugendre/manuels-scolaires">à cette adresse</a>.</span>
-      </div>
+        </div>
     </footer>
 </div>
 
 <script defer src="https://kit.fontawesome.com/350c07ee78.js"
         integrity="sha384-IwFbZvLB3nqmwJikzn6JZAqNDTwjFfauT4djixzjaxmR030Fd2gx05kWWwBLwRYZ"
         crossorigin="anonymous"></script>
-<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
-<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js" integrity="sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns" crossorigin="anonymous"></script>
+<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
+        integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
+        crossorigin="anonymous"></script>
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"
+        integrity="sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns"
+        crossorigin="anonymous"></script>
 
 {% block end_js %}
 {% endblock %}
