.loading-overlay{align-items:center;background-color:#000;display:none;height:100%;justify-content:center;left:0;position:fixed;top:0;transition:opacity .5s ease;width:100%;z-index:9999}.spinner{animation:spin 2s linear infinite;border:8px solid #f3f3f3;border-radius:50%;border-top-color:#3498db;height:60px;width:60px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}