html,body{margin:0;height:100dvh;overflow:hidden;background:#05060f}
canvas{display:block;width:100vw;height:100dvh;touch-action:none}
#h{position:fixed;left:0;right:0;bottom:12px;margin:0;text-align:center;color:#9fb4ff;font:14px sans-serif;opacity:.7;pointer-events:none}