*,
*:after,
*:before {
  box-sizing: border-box;
}

:root {
  --max-content-width: 52rem;
}

html,
body {
  width: 100%;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  font-family: sans-serif;
  font-size: 16px;
}

body {
  margin: 0 auto;
  max-width: var(--max-content-width);
  font-size: 100%;
}

body > header,
body > main > section,
body > footer {
  padding: 0 0.5rem;
}

body > section.full {
  padding: 0;
}

body > header h1 {
  font-size: 22px;
  line-height: 32px;
  margin: 0.5em 0;
}

body > header p {
  font-size: 12px;
  font-weight: bold;
  margin: -0.5em 0 0.5em 0;
}

body > header time {
  display: block;
  font-size: 13px;
  font-family: Monospace;
}

body > footer {
  text-align: center;
  font-size: 13px;
  padding: 1rem;
}
body > footer a {
  text-decoration: none;
}

body > footer a:hover {
  text-decoration: underline;
}

body > main section h1 {
  font-size: 28px;
}
body > main section h2 {
  font-size: 24px;
}
body > main section h3 {
  font-size: 18px;
}
body > main section h4,
body > main section h5 {
  font-size: 16px;
}

body > main header p {
  font-size: 14px;
  font-weight: bold;
}

body > main p,
body > main li {
  line-height: 1.8em;
}

pre,
code {
  font-family: "Cambria Mono", "Consolas", "Menlo", "Bitstream Vera Sans Mono",
    "Noto Mono", monospace;
  font-size: 13px;
}

body > main > section blockquote {
  border-left-width: 4px;
  border-left-style: solid;
}

body > main > section blockquote > p {
  margin-left: 12px;
}

body > main > section pre {
  border-width: 1px;
  border-style: solid;
  max-width: 100%;
  overflow: auto;
  padding: 16px;
}

body > main > section > pre {
  border-radius: 8px;
}

@media only screen and (min-width: 720px) {
  html {
    font-family: sans-serif;
    font-size: 16px;
  }

  body > header,
  body > main > section {
    padding: 0.5rem 1rem;
  }

  body > header h1 {
    font-size: 32px;
    line-height: 48px;
  }
  body > header p {
    font-size: 15px;
  }
  body > footer {
    font-size: 11px;
  }

  pre,
  code {
    font-size: 14px;
  }
}

body > main > section + section {
  padding-top: 0;
}

html {
  background-color: #f0f0f0;
  color: #111;
}
body > header p {
  color: #777;
}
body > main header p {
  color: #555;
}
pre > code {
  color: #555;
}
pre > code strong {
  color: #000;
}
aside {
  color: #555;
}
body > main > section pre {
  border-color: rgba(0, 0, 0, 0.125);
  background-color: #f9f9f9;
}
body > main > section blockquote {
  border-left-color: rgba(0, 0, 0, 0.125);
  background-color: #f9f9f9;
  color: #555;
}
body > footer {
  color: #888888;
}
body > footer a {
  color: #888888;
}

@media (prefers-color-scheme: dark) {
  html {
    background-color: black;
    color: #ddd;
  }
  body > header p {
    color: #ccc;
  }
  body > main header p {
    color: #bbb;
  }
  pre > code {
    color: #bbb;
  }
  pre > code strong {
    color: #fff;
  }
  aside {
    color: #888;
  }
  body > main > section pre {
    border-color: rgba(255, 255, 255, 0.125);
    background: #222;
  }
  body > main > section blockquote {
    border-left-color: rgba(255, 255, 255, 0.125);
    background-color: #222;
    color: #888;
  }
  body > footer {
    color: #888888;
  }
  body > footer a {
    color: #888888;
  }
  a:link {
    color: #2d5de0;
  }
  a:visited {
    color: #7f28d1;
  }
}