#cover-spin{position:fixed;width:100%;left:0;right:0;top:0;bottom:0;background-color:#fff;z-index:9999}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}#cover-spin:after{content:"";display:block;position:absolute;left:48%;top:40%;width:40px;height:40px;border:4px solid #1d83c7;border-top-color:rgba(0,0,0,0);border-radius:50%;animation:spin .8s linear infinite}