<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="span4"> <div class="thumbnail"> <div class="caption"> <h4>Thumbnail Headline</h4> <p>short thumbnail description</p> <p><a href="" class="label label-danger" rel="tooltip" title="Zoom">Zoom</a> <a href="" class="label label-default" rel="tooltip" title="Download now">Download</a></p> </div> <img src="http://lorempixel.com/400/300/sports/1/" alt="..."> </div> </div> </div> </div><!-- /.container -->

body { padding-top: 50px; } .thumbnail { position:relative; overflow:hidden; } .caption { position:absolute; top:0; right:0; background:rgba(66, 139, 202, 0.75); width:100%; height:100%; padding:2%; display: none; text-align:center; color:#fff !important; z-index:2; }

$( document ).ready(function() { $("[rel='tooltip']").tooltip(); $('.thumbnail').hover( function(){ $(this).find('.caption').slideDown(250); //.fadeIn(250) }, function(){ $(this).find('.caption').slideUp(250); //.fadeOut(205) } ); });