#preloader{position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;overflow:hidden;background:#000036}#preloader:before{content:"";position:fixed;top:calc(50% - 30px);left:calc(50% - 30px);border:6px solid #000036;border-top-color:#fff;border-bottom-color:#fff;border-radius:50%;width:60px;height:60px;animation:animate-preloader 1s linear infinite}@keyframes animate-preloader{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.back-to-top{position:fixed;visibility:hidden;opacity:0;right:15px;bottom:15px;z-index:996;background:#02090c;width:40px;height:40px;border-radius:50px;transition:all .4s}.back-to-top i{font-family:Poppins;font-style:normal;font-size:24px;color:#fff;line-height:0}.back-to-top:hover{background:#47b2e4;color:#fff}.back-to-top.active{visibility:visible;opacity:1}