.btn-spinner,.btn-spinner:after{border-radius:50%;width:1.5em;height:1.5em}.btn-spinner{text-indent:-9999em;border:.2em solid #fff;border-left-color:#0000;font-size:10px;animation:1s linear infinite spinning;position:relative;transform:translateZ(0)}@keyframes spinning{0%{transform:rotate(0)}to{transform:rotate(360deg)}}