.simple-loading-page{position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100vh;background:#f5f5f5;display:flex;justify-content:center;align-items:center;z-index:9999}.simple-loading-page .loading-spinner{width:40px;height:40px;border:3px solid #e0e0e0;border-top-color:#999;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}