body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin-top: 50px;
}

#game1-key {
  font-size: 48px;
  font-weight: bold;
  color: #007BFF;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin-top: 20px;
  cursor: pointer;
}