#back-to-top{position:fixed;background:rgba(0,0,0,.5) none repeat scroll 0 0;border-radius:4px;width:88px;padding:10px 5px 10px 0;bottom:20px;right:15px;color:#fff;text-align:center;font-family:" PT Sans",Verdana,Tahoma,sans-serif;cursor:pointer;border-radius:0}#back-to-top:hover{background:rgba(0,0,0,.8)}@media (min-width:768px){#back-to-top{bottom:30px;right:40px}}