authentic/src/authentic2_auth_fc/templates/authentic2_auth_fc/base.html

{% extends "authentic2/base-page.html"%}
{% load static %}

{% block extra-css %}
<link rel="stylesheet" type="text/css" href="{% static 'authentic2_auth_fc/css/fc.css' %}"></link>
{% endblock %}

{% block extra-body-class %}narrow-page{% endblock %}