* {
  box-sizing: border-box;
}

html {
  background-color: #eeeeee;
  --shadow: #aaaaaa;
  --bg: #ffffff;
  --fg: #0e0e0e;
  --href: #0000ff;
  --font: monospace;

  @media only screen and (prefers-color-scheme: dark) {
    background-color: #2e2e2e;
    --shadow: #000;
    --bg: #101010;
    --fg: #e0e0e0;
    --href: #00afff;
  }
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg);
  margin: 2rem auto;
  width: 80ch;
  padding: 1rem 2.5rem;
  border: 1px solid var(--fg);
  box-shadow: 1rem 1rem 0 var(--shadow);
  background-color: var(--bg);

  @media only screen and (max-width: 88ch) {
    padding: 1.5rem 1.75rem;
    width: 100%;
    margin: 0;
    border: none;
    box-shadow: none;
  }

  @media print {
    margin: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
  }
}

header {
  display: flex;
  flex-flow: row wrap;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 0.5rem;
  h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 5rem 0 0;
  }
}

main {
  margin: 2rem 0 1.5rem;
}

p {
  margin: 0 0 0.5rem;
}
a,
a:visited {
  text-decoration-line: underline;
  text-decoration-thickness: 2px;
  color: var(--href);
  white-space: nowrap;
}

.bi {
  margin-right: 0.75ch;
}

h2,
h3 {
  margin: 0 0 0.25rem;
  font-weight: 700;
  line-height: 1.5;
}
h2 {
  font-size: 1.4rem;
}
h3 {
  font-size: 1.2rem;
}

ul {
  list-style: none;
  margin: 0 0 0.5rem 0.5rem;
  padding-left: 1.25rem;

  & > li:before {
    display: inline-block;
    content: "-";
    width: 1.25rem;
    margin-left: -1.25rem;
  }
}

figure {
  margin: 0 auto;
  max-width: 100%;

  picture {
    overflow-x: auto;
    overflow-y: hidden;
    display: block;
    text-align: center;
    max-width: 100%;
    img {
      max-width: inherit;
    }
  }

  blockquote {
    display: flex;
    justify-content: center;
    margin: 0.5rem 0 0 0;
    p {
      font-size: 0.9rem;
      font-style: italic;
      width: 75%;
      @media only screen and (max-width: 88ch) {
        width: 85%;
      }
    }
  }

  figcaption {
    font-size: 0.9rem;
    font-style: italic;
    text-align: right;
    margin: 0 3rem 0.5rem 0;
  }
}

hr {
  margin: 2px 0;
  border: none;
  border-top: 1px solid var(--fg);
}

footer {
  margin: 0.5rem 0;
  p {
    text-align: center;
    font-size: 0.9rem;
    margin: 0;
  }
}