*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000;display:flex;justify-content:center;align-items:center}#game-root{width:100%;height:100%}body.fixed-res #game-root{width:auto;height:auto;border:1px solid #333}#game-root canvas{display:block}