<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<nav class="navbar navbar-expand-lg navbar navbar-dark bg-primary">
<a class="navbar-brand" href="#">Yoda Lives</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav"
aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Gallery</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Fan club</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Members only</a>
</li>
</ul>
</div>
</nav>
<div class="jumbotron text-center">
<h1>Yoda lives here.</h1>
</div>
<div class="container">
<div class="row">
