body {
  background: #0f172a;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  padding-top: 100px;
}

button {
  background: #3b82f6;
  border: none;
  padding: 15px 30px;
  color: white;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
}