<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>{% block title %} Pla {% endblock %}</title>

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
</head>
<body>

<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>

<nav class="navbar navbar-expand-md navbar-fixed-top navbar-dark bg-primary">
    <a class="navbar-brand">Navigationsleiste</a>
    <ul class="navbar-nav">
        <li class="nav-item">
            <a class="nav-link" href="https://www.google.com">Hier geht's zu Google</a>
        </li>
        <li class="nav-item">
            <a class="nav-link" href="https://www.th-nuernberg.de/fakultaeten/efi">Hier geht's zur Efi-Homepage</a>
        </li>
        <li class="nav-item">
            <a class="nav-link" href="#">Random link to click</a>       <!-- href="#" means that link is clickable -->
        </li>
    </ul>
</nav>

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

</body>
</html>