body {
  margin: 0;
  background: #0e0e0e;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
}

#hud {
  display: flex;
  justify-content: space-between;
  padding: 10px;
}

canvas {
  background: #111;
  border: 2px solid #333;
  touch-action: none;
}

#close {
  margin: 10px;
  padding: 10px;
  width: 90%;
}