diff --git a/src/templates/django_registration/activation_complete.html b/src/templates/django_registration/activation_complete.html
index f8e19cd..4bb8830 100644
--- a/src/templates/django_registration/activation_complete.html
+++ b/src/templates/django_registration/activation_complete.html
@@ -2,7 +2,7 @@
 {% load i18n %}
 
 {% block content %}
-    <div class="card">
+    <div class="block">
         <p>{% translate "Dein Account ist nun aktiviert. Viel Spaß!" %}</p>
     </div>
 {% endblock %}
\ No newline at end of file