body {
  margin: 0;
  overflow: hidden;
  background: linear-gradient(180deg, #0f0f2d, #1a1a40);
  font-family: Arial, sans-serif;
}

canvas {
  display: block;
}

#ui {
  position: absolute;
  top: 20px;
  left: 20px;
  color: gold;
}

#score {
  font-size: 22px;
}

#message {
  font-size: 28px;
  margin-top: 10px;
  color: red;
}