custom-theme/quick-start.html

<div class="v2-quick-start">
 <div class="small-no-padding">
    <div class="row">
        <div class="col-md-12 content">
            {% block content %}
                {% include 'fix_up_content.html' %}
            {% endblock %}
        </div>
    </div>
 </div>
</div>