wagtail_bakerydemo/bakerydemo/templates/base/about_page.html

{% extends "base.html" %}
{% load wagtailimages_tags %}

{% block content %}
    {% include "base/include/header.html" %}

<div class="container">
    <div class="row">
        <div class="col-md-7">
            {{ page.body }}
        </div>
    </div>
</div>
{% endblock content %}