body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  margin: 0;
  color: #222;
  background: #fafafa;
}

main {
  max-width: 760px;
  margin: 60px auto;
  padding: 0 24px;
}

h1 {
  font-size: 2.4rem;
}

h2 {
  margin-top: 2rem;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #ccc;
}

a {
  color: #2457a6;
}

code {
  word-break: break-word;
}