Bootstrap 3 Skeleton
This is a simple Bootstrap skeleton. You can fork it to get a ready to use Bootstrap fiddle.
by programmer101
HTML
<script src="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.1.0/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">
<div class="row">
<div id="sidebar" class="sidebar-nav span3">
<ul class="nav nav-tabs nav-stacked">
<ul class="dropdown-menu" style="display: block; position: static; margin-bottom: 5px; *width: 180px;"> <li class="nav-menu"><a href="#">Home</a></li>
<li class="nav-menu"><a href="#">Home</a></li>
<li class="dropdown-submenu"> <a tabindex="-1" href="#">More options</a>
<ul class="dropdown-menu">
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
</ul>
</li>
<li class="nav-menu"><a href="#">Home</a></li>
<li class="dropdown-submenu"> <a tabindex="-1" href="#">More options</a>
<ul class="dropdown-menu">
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
<li><a href="#">Second level link</a></li>
</ul>
</li>
</ul>
</ul>
</div>