.backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:9999;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px)}.spinner{border:2px solid #f3f3f3;border-top:8px solid #3498db;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}