diff --git a/manuels/templates/manuels/confirm_teacher.html b/manuels/templates/manuels/confirm_teacher.html
index ffa7aab..cd9be22 100644
--- a/manuels/templates/manuels/confirm_teacher.html
+++ b/manuels/templates/manuels/confirm_teacher.html
@@ -5,7 +5,7 @@
 
 {% block content %}
     <div class="row">
-        <div class="col-8 offset-2">
+        <div class="col-md-8 offset-md-2">
             <h1>Bienvenue {{ teacher.full_name }}</h1>
             <h2>
                 {% block title %}Confirmer les listes{% endblock %}