:root {
  color-scheme: light dark;
}

html {
  line-height: 1.5;
}

body {
  font-family: georgia, serif;
  font-size: large;
  margin: 0 auto;
  max-width: 40em;
  overflow-wrap: break-word;
  padding: 0 1em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  margin: 1.25em 0 0.25em;
}

a {
  color: inherit;
}

pre,
code {
  font-family: monospace, monospace;
  font-size: 0.9em;
}

pre {
  background: #eee;
  overflow-x: auto;
  padding: 0.5em;
}

blockquote {
  background: #eee;
  border-left: thick solid #ccc;
  margin-left: 0;
  padding: 0.5em;
}

hr {
  border: 0;
  border-bottom: 0.15em dotted #999;
  margin: 1.5em auto;
}

footer {
  text-align: center;
}

footer p {
  margin: 0.4em 0;
}

footer a + a {
  margin-left: 1.5em;
}

.date {
  margin-top: 0;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #111;
    color: #bbb;
  }

  a:link {
    color: #9bf;
  }

  a:visited {
    color: #a9f;
  }

  blockquote,
  pre {
    background: #000;
  }

  blockquote {
    border-left-color: #333;
  }

  hr {
    border-bottom-color: #666;
  }
}