#btnBackToTop{display:none;position:fixed;bottom:20px;right:30px;z-index:100;background-color:#293646;color:#fff;cursor:pointer;padding:10px;border-radius:16px;font-size:14px;line-height:15px;box-shadow:0 3px 6px rgba(0,0,0,.16);max-width:78px}#btnBackToTop .fa{margin-bottom:7px;display:block}#btnBackToTop:hover{background-color:#d80000}