body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f5f5f5;
  color: #222;
}

main {
  max-width: 800px;
  margin: 80px auto;
  padding: 32px;
  background: white;
  border-radius: 16px;
}

h1 {
  font-size: 42px;
  margin-bottom: 8px;
}

h2 {
  margin-top: 32px;
}

p, li {
  font-size: 18px;
  line-height: 1.6;
}