<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>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.2/css/bootstrap-select.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.2/js/bootstrap-select.min.js"></script>
<div class="container">
<div class="row">
<h2>Selectpicker inside an input-group</h2>
<h3>Full width example</h3>
<div class="input-group">
<span class="input-group-addon">
<span class="glyphicon glyphicon-eye-open"></span>
</span>
<div class="form-control form-control-selectpicker">
<select>
<option value="0">Show All</option>
<option value="1" selected="selected">Show Only Active</option>
</select>
</div>
</div>
<h3>Column width example</h3>
<p>Two columns side by side.</p>
<div class="row">
<div class="col-md-6">
<div class="input-group">
<span class="input-group-addon">
Fruit
</span>
<div class="form-control form-control-selectpicker">