dynamicweb/templates/djangocms_blog/base.html

{% extends CMS_TEMPLATE %}
{% block meta %}
    {%  if meta %}
	{% include "meta_mixin/meta.html" %}
    {% endif %}
{% endblock meta %}
{% block content %}
<div class="app app-blog span8">
  {% block content_blog %}{% endblock %}
</div>
{% endblock content %}