<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="">
<h2>Filtering divs</h2>
</div>
<div>
<button class="btn btn-primary filter-button" data-filter="all">All</button>
<button class="btn btn-default filter-button" data-filter="photo">Photo</button>
<button class="btn btn-default filter-button" data-filter="graphic">Graphic</button>
<button class="btn btn-default filter-button" data-filter="webdesign">Web design</button>
</div>
<br/>
<div class="row">
<div class="col-md-3 filter photo">
<div class="each-item">
<img class="port-image" src="http://www.templates4all.com/wp-content/uploads/2011/09/Engon-Joomla-Corporate-Portfolio-Template.jpg"/>
<div class="cap1">
<h3>Car show</h3>
<p>A car showroom for all verities of cars to display</p>
</div>
<div class="cap2">
<p class="text-center">Visit</p>
</div>
</div>
</div>
<div class="col-md-3 filter graphic photo">
<div class="each-item">
<img class="port-image" src="http://www.wpchats.com/wp-content/uploads/2011/11/Mixfolio-Wordpress-HTML5-Portfolio-Theme.jpg"/>