.cad1{display:inline-block;text-align:center;vertical-align:middle;cursor:pointer;margin:-4.1538461538462px;width:56px;height:56px;z-index:3;}
.cad1 .i1{position:absolute;margin-left:-2px;z-index:2;width:54px;height:54px;border:0px;}
.cad1 .sprite{background-size:100%;margin:4px 0 0 0px; display:inline-block;z-index:1;position:sticky;background-image: url('http://x24.fr/0/sprite-7.jpg');text-align:center;width:46px;height:46px;}

#s3{background:transparent;}body{margin:auto;text-align:center;}