<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="page">
<div class="sidebar">
<ul class="list-group">
<li class="list-group-item">Cras justo odio</li>
<li class="list-group-item">Dapibus ac facilisis in</li>
<li class="list-group-item">Morbi leo risus</li>
<li class="list-group-item">Porta ac consectetur ac</li>
<li class="list-group-item">Vestibulum at eros</li>
</ul>
</div>
<div class="content">
<div class="container">
<div class="row">
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header">
Navbar header <button type="button" class="btn btn-default navbar-btn">Sign in</button>
</div>
</div>
</nav>
</div>
</div>
</div>
</div>
