body{font-family:BIZ UDGothic,sans-serif;font-weight:400;font-style:normal;padding:0;margin:0;background-image:url(/static/app_music/musicsheet/wood-pattern.png)}#upContainer{display:flex;flex-direction:column;align-items:center}#startButton{cursor:pointer;position:absolute;top:50vh;left:50vw;transform:translate(-50%,-50%);font-size:40px;font-weight:700;color:#fff;background:linear-gradient(145deg,#6fcf97,#a3e4b0);padding:20px 50px;border:none;border-radius:15px;box-shadow:0 8px 15px #0000004d;transition:all .3s ease;text-transform:uppercase;text-shadow:1px 1px 0 #000,-1px 1px 0 #000,1px -1px 0 #000,-1px -1px 0 #000}#startButton:hover{transform:translate(-50%,-50%) scale(1.05);box-shadow:0 12px 20px #0006}#description{margin:50px}@media(max-aspect-ratio:2/3){#musicSheetSvg{height:100vw;width:100vw}#pianoSvg{height:50vw;width:100vw}}@media(min-aspect-ratio:2/3){#musicSheetSvg{height:66.6vh;width:66.6vh}#pianoSvg{height:33vh;width:66vh}}