*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#87ceeb;color:#2b2b2b}#app{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:hidden}#app canvas{display:block;width:100%;height:100%;touch-action:none}