flex/templates/page.html

{% extends "base.html" %}
{% block title %} – {{ page.title }}{% endblock %}

{% block content %}
<article class="single">
  <header>
    <h1 id="{{ page.slug }}">{{ page.title }}</h1>
  </header>
  <div>
    {{ page.content }}
  </div>
</article>
{% endblock %}