<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="shoji" id="shoji">
<div class="shoji-rail">
<div class="shoji-panel shoji-panel-left">
<div class="panel-group" id="sidebar">
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#sidebar" href="#sidebar-first">Menu 1</a>
</h4>
</div>
<ul id="sidebar-first" class="list-group panel-collapse collapse">
<li class="list-group-item"><a href="#">Menu Item 1</a></li>
<li class="list-group-item"><a href="#">Menu Item 2</a></li>
<li class="list-group-item"><a href="#">Menu Item 3</a></li>
</ul>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#sidebar" href="#sidebar-second">Menu 2</a>
</h4>
</div>
<ul id="sidebar-second" class="list-group panel-collapse collapse">
<li class="list-group-item"><a href="#">Menu Item 1</a></li>
<li class="list-group-item"><a href="#">Menu Item 2</a></li>
<li class="list-group-item"><a href="#">Menu Item 3</a></li>
</ul>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<h4 class="panel-title">
<a data-toggle="collapse" data-parent="#sidebar" href="#sidebar-third">Menu 3</a>