.myThumb{position: relative; z-index: 0;}
.myThumb:hover{background-color: transparent;z-index: 50;}
.myThumb span{position: absolute; background-color: white; padding: 5px; border: 0px dashed gray; visibility: hidden; color:#8C8788; text-decoration: none;}
.myThumb span img{border-width: 0; padding: 2px; }
.myThumb span img {}