#spinner-overlay,.spinner-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:9999}#spinner-overlay.hidden{display:none}.spinner{border:4px solid rgba(255,255,255,.3);border-top:4px solid #fff;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}