<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>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<h2>Botão para sites do APOIA.se</h2>
<div class='apoia-button'>
<a href='LINK_DA_CAMPANHA' target='_blank' class='apoia-link'>Apoie o site no <img class='apoia-img' src='http://i.imgur.com/7Gsn761.png'/></a>
</div>
</div>
</div>