body {
  background: #000;
  color: #fff;
  padding: 25px;
  font-family: sans-serif;
}

h1 {
  text-align: center;
}

.play-button {
  display: block;
  margin: 20px auto;
  padding: 10px 20px;
  font-size: 18px;
  background-color: #1e90ff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.play-button:hover {
  background-color: #1c86ee;
}