#loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff;display:flex;justify-content:center;align-items:center;z-index:9999;opacity:1;pointer-events:none;transition:opacity .3s ease-in-out}.spinner{width:40px;height:40px;border:4px solid rgba(0,0,0,.1);border-left-color:#4a90e2;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}