.loading{position:relative;display:inline-block;width:100%;padding-top:100%}.loading::after{content:' ';position:absolute;display:block;width:100%;height:100%;top:0;border-radius:50%;border:1px solid;border-color:currentColor #fff0 currentColor #fff0;animation:loading 1.2s linear infinite}@keyframes loading{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}