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>