.loading-overlay{z-index:9999;background-color:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.loading-overlay2{z-index:9999;background-color:#fff;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.loading-overlay3{z-index:9999;background-color:#0000002d;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.loading-overlay4{z-index:9999;background-color:#fff;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.spinner{border:5px solid #f3f3f3;border-top-color:#3498db;border-radius:50%;width:50px;height:50px;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}