:root{--safe-area-inset-top:env(safe-area-inset-top,0);--safe-area-inset-bottom:env(safe-area-inset-bottom,0)}html{height:calc(100% + env(safe-area-inset-top,0))}body{overscroll-behavior:none;touch-action:none;color:#fff;background-color:#000;height:100%;margin:0;overflow:hidden}#game{justify-content:center;align-items:center;height:100%;display:flex}