Bootstrap Thumbnail Hover without Javascript


	
<div class="container">
  
    <div class="row">
        <div class="col-xs-6 col-sm-4 col-md-3">            
            <div class="thumbnail">
                <div class="caption">
                    <h4>Thumbnail Headline</h4>
                    <p>short thumbnail description</p>
                    <p><a href="" class="label label-danger">Zoom</a>
                    <a href="" class="label label-default">Download</a></p>
                </div>
                <img src="http://lorempixel.com/400/300/sports/1/" alt="...">
            </div>
        </div>
      
        <div class="col-xs-6 col-sm-4 col-md-3">            
            <div class="thumbnail">
                <div class="caption">
                    <h4>Thumbnail Headline</h4>
                    <p>short thumbnail description</p>
                    <p><a href="" class="label label-danger">Zoom</a>
                    <a href="" class="label label-default">Download</a></p>
                </div>
                <img src="http://lorempixel.com/400/300/sports/2/" alt="...">
            </div>
        </div>

        <div class="col-xs-6 col-sm-4 col-md-3">            
            <div class="thumbnail">
                <div class="caption">
                    <h4>Thumbnail Headline</h4>
                    <p>short thumbnail description</p>
                    <p><a href="" class="label label-danger">Zoom</a>
                    <a href="" class="label label-default">Download</a></p>
                </div>
                <img src="http://lorempixel.com/400/300/sports/3/" alt="...">
            </div>
        </div>

        <div class="col-xs-6 col-sm-4 col-md-3">            
            <div class="thumbnail">
                <div class="caption">
                    <h4>Thumbnail Headline</h4>
                    <p>short thumbnail description</p>
                    <p><a href="" class="label label-danger">Zoom</a>
                    <a href="" class="label label-default">Download</a></p>
                </div>
                <img src="http://lorempixel.com/400/300/sports/4/" alt="...">
            </div>  
        </div> 
    </div>
    
    <div class="row">
        <div class="col-xs-12 text-center">
            Original <a href="http://bootsnipp.com/snippets/featured/thumbnail-caption-hover-effect">Thumbnail Caption Hover Effect</a> by <a href="http://bootsnipp.com/sevenx.de">sevenx.de</a>
        </div>
    </div>
  
</div><!-- /.container -->
	<script type="text/javascript">
	
	</script>

    body {
  padding-top: 50px;
}
 
.thumbnail {
    position:relative;
    overflow:hidden;
}
 
.caption {
    position:absolute;
    top:-100%;
    right:0;
    background:rgba(66, 139, 202, 0.75);
    width:100%;
    height:100%;
    padding:2%;
    text-align:center;
    color:#fff !important;
    z-index:2;
    -webkit-transition: all 0.5s ease-in-out;
    -moz-transition: all 0.5s ease-in-out;
    -o-transition: all 0.5s ease-in-out;
    -ms-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
}
.thumbnail:hover .caption {
    top:0%;
}