.backTop{width:44px;height:54px;position:fixed;bottom:126px;right:14px;text-align:center;color:#fff;background:#3186f5;border-radius:5px;-webkit-box-shadow:0 2px 6px 0 rgba(0,0,0,.2);box-shadow:0 2px 6px 0 rgba(0,0,0,.2)}.backTop div{padding-top:6px;font-size:14px}.backTop:hover{background-image:-webkit-gradient(linear,left bottom,left top,from(#04abfe),to(#4481eb));background-image:linear-gradient(0deg,#04abfe,#4481eb);cursor:pointer}