.spinner{display:inline-block;border-radius:50%;border:3px solid rgba(0,0,0,.1);border-top-color:#000;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(1turn)}}.spinner-small{width:16px;height:16px}.spinner-medium{width:24px;height:24px}.spinner-large{width:32px;height:32px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}