Template source: base.html

{% load static %}
<!DOCTYPE html>
<html lang="en">

  <head>

    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>{% block title %}{% endblock title %}</title>

    <!-- Bootstrap core CSS -->
    <link href="{% static 'vendor/bootstrap/css/bootstrap.min.css' %}" rel="stylesheet">

    <!-- Custom styles for this template -->
  {% block custom_css %}{% endblock custom_css %}

  </head>

  <body>

  {% block content %}
  {% endblock content %}

    <!-- Bootstrap core JavaScript -->
    <script src="vendor/jquery/jquery.min.js"></script>
    <script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>

  </body>

</html>