Fixed view for non admin users

app/templates/error.html

@@ -1,10 +1,11 @@
 {% extends "base.html" %}
 
 {% block content %}
-<div class="jumbotron my-4">
+<div class="jumbotron jumbotron-fluid my-4">
   <div class="text-center">
-    <h1>{{ '%s - %s' % (error.code, error.name) }}</h1>
+    <h1>Oops, something went wrong</h1>
+    <h1>{{ '%s - %s' % (error.code, error.name) }}</h2>
     <p>{{ error.description }}.</p>
   </div>
 </div>
-{% endblock %}
+{% endblock %}