.calibrateButton.doing:before{content:"";display:inline-block;margin-right:4px;width:15px;height:15px;background-image:url(/images/icon/doing.svg);background-repeat:no-repeat;background-size:cover;vertical-align:top;animation:spin 1s steps(30) infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.calibrateButton.complete:before{content:"";display:inline-block;margin-right:4px;width:15px;height:15px;background-image:url(/images/icon/complete.svg);background-repeat:no-repeat;background-size:cover;vertical-align:top}