body {
  font-family: 'Arial', sans-serif;
  background: #111;
  color: #eee;
  text-align: center;
  padding: 20px;
}

#game-container {
  max-width: 600px;
  margin: auto;
  background: #222;
  padding: 20px;
  border-radius: 10px;
}

select, input, button {
  margin: 10px;
  padding: 8px;
  font-size: 16px;
}

button {
  background: #0f0;
  border: none;
  color: #000;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #0c0;
}