.back-to-top{background:rgba(var(--theme-color),1);border-radius:50px;bottom:15px;height:40px;opacity:0;position:fixed;right:15px;transition:all .4s;visibility:hidden;width:40px;z-index:996}.back-to-top i{color:#fff;font-size:28px;line-height:0}.back-to-top:hover{background:rgba(var(--theme-color),1);color:#fff}.back-to-top.active{opacity:1;visibility:visible}.preloader{background:#fff;bottom:0;left:0;opacity:.8;overflow:hidden;position:fixed;right:0;top:0;z-index:9999}.preloader:before{animation:animate-preloader 1s linear infinite;border:6px solid rgba(var(--theme-color),1);border-radius:50%;border-top:6px solid #fff;content:"";height:60px;left:calc(50% - 30px);position:fixed;top:calc(50% - 30px);width:60px}@keyframes animate-preloader{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}