Bootstrap 3 Skeleton
This is a simple Bootstrap skeleton. You can fork it to get a ready to use Bootstrap fiddle.
HTML
<script src="http://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.1.0/bootstrap.min.js"></script>
<div class="container">
<div class="row">
<div class="col-xs-12">
<p class="lead">
Example input group
</p>
<div class="input-group">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div><!-- /btn-group -->
<input type="text" class="form-control" placeholder="Input box" aria-label="...">
<span class="input-group-btn">
<button class="btn btn-default" type="button">
Button
</button>
</span>
</div><!-- /input-group -->
</div>
</div>
</div>
CSS
@import url('http://getbootstrap.com/dist/css/bootstrap.css');