@keyframes spin{to{transform:rotate(1turn)}}.progress{position:relative;display:inline-block;width:5em;height:5em;background:white;border:0;margin:0 .5em;font-size:12px;text-indent:99em;overflow:auto;animation:spin 1s infinite steps(8);box-shadow:none}.small.progress{font-size:6px}.large.progress{font-size:24px}.progress:before,.progress:after,.progress>div:before,.progress>div:after{content:'';position:absolute;top:0;left:2.25em;width:.5em;height:1.5em;border-radius:.2em;background:white;transform-origin:50% 2.5em}.progress:before{background:#555}.progress:after{transform:rotate(-45deg);background:#777}.progress>div:before{transform:rotate(-90deg);background:#999}.progress>div:after{transform:rotate(-135deg);background:#bbb}.progress{position:relative;display:inline-block}