<nav class="navbar navbar-default" id="top">
<div class="container-fluid">
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li><a href="#box1">Box 1</a></li>
<li><a href="#box2">Box 2</a></li>
<li><a href="#box3">Box 3</a></li>
</ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>
<div class="container">
<div class="row" id="box1">
<div class="col-md-12">
<h2>Box 1</h2>
<a href="#top">nach oben</a>
</div>
</div>
<div class="row" id="box2">
<div class="col-md-12">
<h2>Box 2</h2>
<a href="#top">nach oben</a>
</div>
</div>
<div class="row" id="box3">
<div class="col-md-12">
<h2>Box 3</h2>
<a href="#top">nach oben</a>
</div>
</div>
</div>