.thumbnail{position:relative;z-index:0}.thumbnail:hover{background-color:transparent;z-index:50}.thumbnail span{position:absolute;background-color:#d3d3d3;padding:5px;left:-1000px;border:1px dashed gray;visibility:hidden;color:#000;text-decoration:none}.thumbnail span img{border-width:0;padding:2px}.thumbnail:hover span{visibility:visible;top:0;left:60px}