*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #1a1a1a;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  will-change: transform;
  cursor: grab;
}

#canvas.panning {
  cursor: grabbing;
}