body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f7f7f7;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 24px;
  background-color: #ffffff;
  border-radius: 8px;
}

h1 {
  text-align: center;
}

h2 {
  margin-top: 24px;
}

.updated {
  margin-top: 32px;
  font-size: 0.9em;
  color: #666;
  text-align: center;
}