.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background-color:rgba(0,0,0,.5)}.loading-spinner{border-radius:50%;border:4px solid hsla(0,0%,100%,.3);border-top-color:blue;width:40px;height:40px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}