*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}#app{width:100%;height:100%}canvas{display:block}#info{position:absolute;bottom:10px;left:10px;color:#fff;font-family:monospace;font-size:12px;background:#00000080;padding:8px 12px;border-radius:4px}