:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  color: #1f2933;
  background: #f6f8fa;
}

body {
  margin: 0;
}

main {
  box-sizing: border-box;
  width: min(760px, calc(100% - 32px));
  margin: 48px auto;
  padding: 32px;
  border: 1px solid #d8dee4;
  border-radius: 12px;
  background: #fff;
}

h1,
h2 {
  line-height: 1.2;
}

h2 {
  margin-top: 28px;
  font-size: 1.15rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 28px;
}

a {
  color: #0969da;
}

@media (max-width: 560px) {
  main {
    margin: 16px auto;
    padding: 22px;
  }
}