body {
  background: #222;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: Arial, sans-serif;
}

#gameContainer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#pongCanvas {
  background: #111;
  border: 2px solid #fff;
  display: block;
  margin-bottom: 12px;
}

#score {
  color: #fff;
  font-size: 2em;
  letter-spacing: 15px;
  user-select: none;
}