body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #222;
  text-align: center;
  padding: 50px;
}
h1 {
  color: #0070f3;
}
button {
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #0070f3;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
button:hover {
  background-color: #005bb5;
}
footer {
  margin-top: 40px;
  font-size: 14px;
  color: #666;
}