@keyframes spinner{to{transform:rotate(360deg)}}.spinner:before{content:'';box-sizing:border-box;position:absolute;top:50%;left:50%;width:40px;height:40px;margin-top:-10px;margin-left:-10px;border-radius:50%;border-top:2px solid #07d;border-right:2px solid transparent;animation:spinner .6s linear infinite}.spinner-small:before{content:'';display:inline-block;box-sizing:border-box;position:relative;top:50%;left:50%;width:20px;height:20px;border-radius:50%;border:2px solid transparent;border-top-color:#07d;border-bottom-color:#07d;animation:spinner .8s ease infinite}