body {
  font-family: Arial, sans-serif;
  background: #f5f7fa;
  color: #333;
  text-align: center;
  padding: 50px;
}

h1 {
  color: #1d4ed8;
}

button {
  background: #1d4ed8;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background: #2563eb;
}