*{box-sizing:border-box}html,body{background:#0a0a0f;width:100%;min-height:100%;margin:0}.game-shell{background:#0a0a0f;width:100%;height:100dvh;min-height:520px;overflow:hidden}.game-frame{background:#0a0a0f;border:0;width:100%;height:100%;display:block}