.gallerycontainer,.thumbnail{position:relative}.thumbnail{z-index:0}.thumbnail:hover{background-color:transparent;z-index:50}.thumbnail span{position:absolute;background-color:#efefef;padding:5px;left:-1000px;border:1px solid gray;visibility:hidden;color:#000;text-decoration:none}.thumbnail span img{border-width:0;padding:2px}.thumbnail:hover span{visibility:visible;top:0;left:80px;z-index:50}