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