diff --git a/admin_interface/templates/admin/base_site.html b/admin_interface/templates/admin/base_site.html
index 9466098..fd1ff38 100644
--- a/admin_interface/templates/admin/base_site.html
+++ b/admin_interface/templates/admin/base_site.html
@@ -460,5 +460,7 @@
 </h1>
 {% endblock %}
 
+{% block bodyclass %}admin-interface flat-theme{% endblock %}
+
 {% block sidebar %}
 {% endblock %}