addons-server/templates/base_side_categories.html

{% extends "base.html" %}

{% block main_content %}
  <div class="secondary" role="complementary">
    {% include "categories.html" %}
    {% block under_categories %}{% endblock %}
  </div>
  <div class="primary" role="main">
    {% block content %}{% endblock %}
  </div>
{% endblock %}