.btn1{aspect-ratio:344/151;max-width:344px;max-height:151px;width:44.7916666667vw;background-size:100% auto;background-repeat:no-repeat;animation:sprite-animation-ubyphd0 2s steps(4) infinite;background-image:url(/sprite-sheet/home-sprite.png)}@keyframes sprite-animation-ubyphd0{to{background-position-y:133.3333333333%}}.btn2{aspect-ratio:611/184;max-width:611px;max-height:184px;width:79.5572916667vw;background-size:100% auto;background-repeat:no-repeat;animation:sprite-animation-ubyphdi 2s steps(2) infinite;background-image:url(/sprite-sheet/intro-sprite.png)}@keyframes sprite-animation-ubyphdi{to{background-position-y:200%}}