.topScroll{width:100px;height:100px;position:fixed;bottom:100px;right:30px;z-index:9990;visibility:hidden;opacity:0;background:url('../images/finger.png') no-repeat center;background-size:contain;box-sizing:border-box;border:0px solid #000000;border-radius:0px;transition:500ms;transform:none;filter:drop-shadow(0px 0px 0px #000000);}.topScroll.showTS{visibility:visible;opacity:1;}.topScroll.showTS:hover{background:url('../images/finger-hov1.png') no-repeat center;background-size:contain;border:0px solid #FF0000;filter:drop-shadow(0px 0px 0px #000000);}@media screen and (max-width:0px){.topScroll.showTS{visibility:hidden;}}