:root {
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --background: #ffffff;
  --rule: #d2d2d7;
  --link: #0066cc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --background: #1c1c1e;
    --rule: #38383a;
    --link: #409cff;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 16px;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

.page {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 0 40px;
}

header.site {
  border-bottom: 1px solid var(--rule);
  padding: 20px 0 16px;
  margin-bottom: 24px;
}

header.site a {
  color: var(--text);
  text-decoration: none;
  font-size: 24px;
  font-weight: 700;
}

h1 {
  font-size: 28px;
  line-height: 1.2;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  margin: 32px 0 8px;
}

p {
  margin: 0 0 16px;
}

a {
  color: var(--link);
  overflow-wrap: break-word;
}

ul {
  margin: 0 0 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

footer.site {
  border-top: 1px solid var(--rule);
  margin-top: 40px;
  padding-top: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

footer.site p {
  margin: 0;
}