.spin{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.7);overflow:hidden;opacity:1;z-index:9999}.spin>div{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100px;height:100px;border-radius:50px;border:10px solid rgba(255,255,255,.2);border-top:10px solid #fff;animation:rotate 1.5s infinite linear}@keyframes rotate{0{transform:translate(-50%,-50%) rotate(0)}100%{transform:translate(-50%,-50%) rotate(360deg)}}