Bootstrap Skeleton
This is a simple Bootstrap skeleton. You can fork it to get a ready to use Bootstrap fiddle.
HTML
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<div class="input-group">
<div class="input-group-btn">
<button tabindex="-1" class="btn btn-default" type="button">Select</button>
<button tabindex="-1" data-toggle="dropdown" class="btn btn-default dropdown-toggle" type="button">
<span class="caret"></span>
</button>
<ul role="menu" class="dropdown-menu">
<li><a href="#">
<input type="checkbox"><span class="lbl"> Every day</span>
</a></li>
<li class="divider"></li>
<li><a href="#">
<input type="checkbox">
<span class="lbl"> Monday</span>
</a></li>
<li><a href="#">
<input type="checkbox"><span class="lbl">
Tuesday</span>
</a></li>
<li><a href="#">
<input type="checkbox"><span class="lbl">
Wednesday</span>
</a></li>
<li><a href="#">
<input type="checkbox"><span class="lbl">
Thursday</span>
</a></li>
<li><a href="#">
<input type="checkbox"><span class="lbl">
Friday</span>
</a></li>
<li><a href="#">
<input type="checkbox"><span class="lbl">
Saturday</span>
</a></li>
<li><a href="#">
<input type="checkbox"><span class="lbl">
Sunday</span>
</a></li>
<li class="divider"></li>
<li><a href="#">
<input type="checkbox"><span class="lbl"> Last Weekday in month</span>
</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>