.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:9999}.loading-overlay .spinner{border:16px solid #f3f3f3;border-top:16px solid #3498db;border-radius:50%;width:120px;height:120px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.d-none{display:none!important}