.moveIt{animation:.5s steps(6,end) sprite-move}.start{background-image:url(/blockhead/sprite.png);background-position:0 0;background-size:1008px 168px;width:168px;height:168px;transition:left .1s ease-out;position:absolute;left:0}@keyframes sprite-move{to{background-position:1008px 0}}