body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  color: #222;
  background: #f7f7f7;
}

main {
  max-width: 760px;
  margin: 48px auto;
  padding: 32px;
  background: white;
  border-radius: 16px;
}

h1 {
  margin-top: 0;
  font-size: 2rem;
}

section {
  margin-top: 32px;
}

a {
  color: #005fcc;
}