body,html{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#222}canvas{display:block;width:900px!important;height:600px!important;box-shadow:0 0 16px #0008;background:#111;position:relative}#tooltip{position:absolute;padding:8px;background:#000c;color:#fff;border-radius:4px;pointer-events:none;font-size:14px;z-index:10;top:5px;left:5px}