SO http://bit.ly/1lI7vt6
Drop down menu
HTML
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">
<div class="dropdown">
<button class="btn btn-default dropdown-toggle dropdown-button bord-radius-0 " type="button" id="menu1" data-toggle="dropdown">Select Client
<span class="caret"></span></button>
<ul class="dropdown-menu" role="menu">
<li><a href="#">HTML</a></li>
<li><a href="#">CSS</a></li>
<li><a href="#">JavaScript</a></li>
</ul>
</div>