body {
  margin: 0;
  background: #000;
  padding: 0;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

canvas {
  display: block;
}

#debug-overlay:empty {
  display: none;
}

#debug-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 10;
  background-color: black;
  padding: 5px;
  pointer-events: none;
  color: white;
  font-size: 14px;
  line-height: 1.4;
  font-family: monospace;
}