#preloader{background:#FFF;height:100%;position:fixed;width:100%;top:0;z-index:1031}#back-to-top{color:#fff;position:fixed;bottom:20px;right:20px;z-index:1030;height:50px;width:50px;background-repeat:no-repeat;background-position:center;transition:background-color .1s linear;-moz-transition:background-color .1s linear;-webkit-transition:background-color .1s linear;-o-transition:background-color .1s linear;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;border:#FFF 3px solid}@media screen and (max-width:1199px){#back-to-top{bottom:90px}footer.footer{margin-bottom:60px}}