<div class="container-fluid content-offset">
  {% block heading %}

  {% endblock %}

  <div class="row content-offset-25"> <!-- Main Panel -->
    <div class="col-md-2 screen-only"> <!-- Action Panels -->
        {% block left_panel %}{% endblock %}
    </div>

    <div class="col-md-10"> <!-- Detail panels -->

      {% block content %}{% endblock %}
    </div> <!-- Ends Main Panel -->
      {% block footer %}{% endblock %}

  </div>
</div> <!-- Ends Action Panels -->
