.loader{border-radius:50%;border:4px solid hsla(0,0%,100%,.3);border-top-color:#3498db;width:50px;height:50px;animation:spin 1s linear infinite;top:50%;left:50%;z-index:100000000000000;transform:translate(-50%,-50%)}.bg,.loader{position:absolute}.bg{background-color:#fff;width:100%;height:100%;z-index:555555555}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}