#backTop{border-radius:4px;bottom:60px;display:inline-block;height:50px;opacity:0;position:fixed;right:30px;text-align:center;-webkit-transition:background-color .3s,opacity .5s,visibility .5s;-o-transition:background-color .3s,opacity .5s,visibility .5s;transition:background-color .3s,opacity .5s,visibility .5s;visibility:hidden;width:50px;z-index:1000}#backTop svg{width:25px;fill:#fff;-webkit-transform:rotate(-90deg);-ms-transform:rotate(-90deg);transform:rotate(-90deg)}#backTop:hover{cursor:pointer}#backTop:active,#backTop:hover{background-color:#ffcf55}#backTop.show{opacity:1;visibility:visible}@media (max-width:767px){#backTop{height:40px;width:40px}#backTop svg{width:20px}}@media (min-width:500px){#backTop{margin:0 0 40px}}