.auto-scroller>:first-child{transform:translateX(0);animation:scroll 15s linear infinite}.auto-scroller>:nth-child(2){transform:translateX(100%);animation:scroll-offset 15s linear infinite}.auto-scroller.default>*{animation-duration:20s}.auto-scroller.fast>*{animation-duration:10s}.auto-scroller.slow>*{animation-duration:30s}@keyframes scroll{to{transform:translateX(-100%)}}@keyframes scroll-offset{to{transform:translateX(0)}}