#return-to-top{position:fixed;bottom:20px;right:20px;background:#000;background:rgba(0,0,0,.7);width:50px;height:40px;text-decoration:none;-webkit-border-radius:5px;-moz-border-radius:5px;border-radius:5px;display:none;-webkit-transition:all .3s linear;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease;z-index:9999999}#return-to-top i{color:#fff;margin:0;position:relative;left:16px;top:4px;font-size:30px;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}#return-to-top:hover{background:rgba(0,0,0,.9)}#return-to-top:hover i{color:#fff}