body.loading{overflow:hidden}body.loading #cover-spin{display:block}#cover-spin{position:fixed;width:100%;left:0;right:0;top:0;bottom:0;background-color:rgba(255,255,255,.7);z-index:9999;display:none}@-webkit-keyframes spin{from{-webkit-transform:rotate(0deg)}to{-webkit-transform:rotate(360deg)}}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}#cover-spin::after{content:'';display:block;position:absolute;left:48%;top:40%;width:40px;height:40px;border-style:solid;border-color:#000;border-top-color:transparent;border-width:4px;border-radius:50%;-webkit-animation:spin .8s linear infinite;animation:spin .8s linear infinite}