Tabs

<ul class="nav nav-tabs">
    <li class="nav-item">
        <a class="nav-link active" href="#">Pinnwand</a>
    </li>
    <li class="nav-item">
        <a class="nav-link" href="#">ToDos</a>
    </li>
    <li class="nav-item">
        <a class="nav-link" href="#">Wiki</a>
    </li>
    <li class="nav-item">
        <a class="nav-link" href="#">Weitere Informationen</a>
    </li>
</ul>