*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden;background:#000}.game-container{position:relative;width:100%;height:100%}canvas{display:block;position:absolute;top:0;left:0}canvas.game-canvas-3d{z-index:0}canvas.game-canvas-2d{z-index:1;pointer-events:none}