#cover-spin{position:fixed;width:100%;left:0;right:0;top:0;bottom:0;background-color:rgba(50,50,50,.7);z-index:9999;display:none;justify-content:center;align-items:center;color:#fff;font-size:larger}@-webkit-keyframes spin{from{-webkit-transform:rotate(0)}to{-webkit-transform:rotate(360deg)}}@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}#cover-spin::after{content:"";display:block;position:absolute;left:49%;top:43%;width:40px;height:40px;border-style:solid;border-color:transparent #fff #fff;border-width:4px;border-radius:50%;-webkit-animation:.8s linear infinite spin;animation:.8s linear infinite spin}