diff --git a/shared/templates/403.html b/shared/templates/403.html
index 5cf9378..fb3c181 100644
--- a/shared/templates/403.html
+++ b/shared/templates/403.html
@@ -3,10 +3,11 @@
 
 
 {% block content %}
-<p class="title">{% trans "Erreur 403" %}</p>
+
+<h1 class="title">{% trans "Erreur 403" %}</h1>
 <hr>
 
-<div class="hero is-danger">
+<div class="hero is-dark">
   <div class="hero-body">
     <div class="subtitle">
       <span class="icon-text">
@@ -18,4 +19,5 @@
     </div>
   </div>
 </div>
+
 {% endblock %}
diff --git a/shared/templates/404.html b/shared/templates/404.html
index f344424..6451681 100644
--- a/shared/templates/404.html
+++ b/shared/templates/404.html
@@ -3,7 +3,8 @@
 
 
 {% block content %}
-<p class="title">{% trans "Erreur 404" %}</p>
+
+<h1 class="title">{% trans "Erreur 404" %}</h1>
 <hr>
 
 <div class="hero is-warning">
@@ -18,4 +19,5 @@
     </div>
   </div>
 </div>
+
 {% endblock %}
diff --git a/shared/templates/500.html b/shared/templates/500.html
index 876bdcd..f96df29 100644
--- a/shared/templates/500.html
+++ b/shared/templates/500.html
@@ -3,7 +3,8 @@
 
 
 {% block content %}
-<p class="title">{% trans "Erreur 500" %}</p>
+
+<h1 class="title">{% trans "Erreur 500" %}</h1>
 <hr>
 
 <div class="hero is-danger">
@@ -18,4 +19,5 @@
     </div>
   </div>
 </div>
+
 {% endblock %}