body {
  background: #222;
  color: #fff;
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}

#game-container {
  display: inline-block;
  position: relative;
  padding: 24px;
  background: #111;
  border-radius: 12px;
  box-shadow: 0 4px 24px #0008;
  margin-top: 24px;
}

#pong-canvas {
  background: #333;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px #0006;
}

#score {
  margin-top: 16px;
  font-size: 2rem;
  letter-spacing: 4px;
}