*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;background:#000;height:100%;overflow:hidden}#app{display:flex;align-items:center;justify-content:center;width:100vw;height:100vh}#game-canvas{display:block;max-width:100%;max-height:100%;object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}