body {
  font-family: Arial, sans-serif;
  background: #f0f4f8;
  color: #333;
  text-align: center;
  padding: 2rem;
}

header {
  background-color: #007cf0;
  color: white;
  padding: 1rem;
  border-radius: 8px;
}

button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  margin-top: 1rem;
  cursor: pointer;
  background-color: #007cf0;
  color: white;
  border: none;
  border-radius: 4px;
}

button:hover {
  background-color: #005bb5;
}

footer {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: #666;
}