.loading-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{border-radius:50%;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}