.page {
  max-width: 900px;
  margin: 60px auto;
  padding: 20px;
  line-height: 1.7;
  color: #444;
  font-family: Arial, sans-serif;
}

.page h1 {
  margin-bottom: 20px;
  color: #222;
}

.page h3 {
  margin-top: 25px;
  color: #333;
}