<html>
<head>
<title>{% block title %}{% endblock %}</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"
integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="{{ css }}">
{% block extrahead %}{% endblock %}
</head>
<body>
{% include 'nav.htm' %}
<div class="container">
{% block content %}{% endblock %}
</div>
</body>
</html>