.totop[data-v-21cc0c59]{background:#00000080;height:44px;margin-bottom:2px;width:44px}.totop[data-v-21cc0c59],.totop[data-v-21cc0c59]:after{display:block;overflow:hidden}.totop[data-v-21cc0c59]:after{background:url(../web/p728/skin/images/slidebar_icon.png) center -76px no-repeat;content:"";height:24px;margin:9px 10px;width:24px}