.back-to-top{position:fixed;bottom:14px;right:14px;width:auto;padding:12px 12px 10px 12px;border-radius:4px;background:#34495e;cursor:pointer;z-index:99999;text-align:center;font-size:10px;background-color:#4a4a4a;-webkit-transition:all ease-out 150ms;-moz-transition:all ease-out 150ms;-o-transition:all ease-out 150ms;transition:all ease-out 150ms}.back-to-top:hover{background-color:#000}.back-to-top a{text-decoration:none;color:#fff}.back-to-top img{display:block;width:30px;height:auto}