diff --git a/rosetta/templates/rosetta/base.html b/rosetta/templates/rosetta/base.html
index 46e9694..48611dd 100644
--- a/rosetta/templates/rosetta/base.html
+++ b/rosetta/templates/rosetta/base.html
@@ -10,6 +10,7 @@
     <style type="text/css" media="screen">
         {% include 'rosetta/css/rosetta.css' %}
     </style>
+    {% block extra_styles %}{% endblock %}
     <script src="//code.jquery.com/jquery-1.12.4.min.js"></script>
     <script type="text/javascript">
         {% include 'rosetta/js/rosetta.js' %}