:root {
  color-scheme: light dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #202124;
  background: #ffffff;
}

header,
main,
footer {
  width: min(100% - 32px, 820px);
  margin-inline: auto;
}

header {
  padding-block: 28px 20px;
  border-bottom: 1px solid #dadce0;
}

main {
  padding-block: 24px 48px;
}

footer {
  padding-block: 20px 32px;
  border-top: 1px solid #dadce0;
  color: #5f6368;
}

h1 {
  margin: 0 0 4px;
  font-size: 2rem;
  line-height: 1.3;
}

h2 {
  margin: 32px 0 8px;
  font-size: 1.25rem;
  line-height: 1.4;
}

p,
ul {
  margin-block: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 16px;
}

a {
  color: #0759b8;
  text-underline-offset: 3px;
}

.updated {
  margin: 0;
  color: #5f6368;
}

.action {
  display: inline-block;
  margin-block: 12px;
  padding: 10px 16px;
  color: #ffffff;
  background: #146c43;
  border-radius: 6px;
  font-weight: 650;
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  body {
    color: #e8eaed;
    background: #202124;
  }

  header,
  footer {
    border-color: #5f6368;
  }

  footer,
  .updated {
    color: #bdc1c6;
  }

  a {
    color: #8ab4f8;
  }

  .action {
    color: #ffffff;
    background: #1d7a50;
  }
}