.loading-spinner{display:inline-block;position:relative}.spinner-circle{width:100%;height:100%;border:6px solid #f3f3f3;border-top-color:#333;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.loading-spinner.overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2}