<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<div class="col-md-12">
<div class="input-group" id="adv-search">
<input type="text" class="form-control" placeholder="Search Causes" />
<div class="input-group-btn">
<div class="btn-group" role="group">
<div class="dropdown dropdown-lg">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-expanded="false"><span class="caret"></span></button>
<div class="dropdown-menu dropdown-menu-right" role="menu">
<form class="form-horizontal" role="form">
<div class="form-group">
<label for="filter">Category</label>
<select class="form-control">
<option value="0" selected>All Categories</option>
<option value="1">Health</option>
<option value="2">Animal</option>
<option value="3">Environmental</option>
<option value="4">International</option>
<option value="5">Education</option>
<option value="6">Arts & Culture</option>
</select>
</div>
<div class="form-group">
<label for="contain">Contains the words</label>
<input class="form-control" type="text" />
</div>
<button type="submit" class="btn btn-primary"><span class="glyphicon glyphicon-search" aria-hidden="true"></span></button>
</form>
</div>
</div>
<button type="button" class="btn btn-primary"><span class="glyphicon glyphicon-search" aria-hidden="true"></span></button>
