.topScroll{width:64px;height:64px;padding:0px;position:fixed;bottom:40px;right:30px;z-index:9990;display:none;background: url('../images/up-to-top.png');}
.topScroll:hover{width:64px;height:64px;padding:0px;position:fixed;bottom:40px;right:30px;display:none;background: url('../images/up-to-top.png');}
@media screen and (max-width:0px){.topScroll{visibility:hidden;}.topScroll:hover{visibility:hidden;}}