:root {
  --content-padding: 1rem;

  @media (prefers-color-scheme: dark) {
    --bg-color: #333;
    --text-color: #ddd;
    --link-color: #8cc2dd;
    --table-bg-color: gray;

    svg.invertible {
      filter: invert();
    }
  }

  @media (prefers-color-scheme: light) {
    --bg-color: #fff;
    --text-color: rgb(68, 68, 68);
    --link-color: rgb(50, 115, 220);
    --table-bg-color: lightgray;
  }
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  font-family: serif;
  font-size: 1rem;
  margin: auto;
  overflow-wrap: break-word;
  padding: var(--content-padding);
  text-align: left;
  word-wrap: break-word;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6,
img {
  margin: 0;
  padding: 0;
}

a {
  color: var(--link-color);
}

img {
  max-width: 100%;
}

time.article {
  font-size: smaller;
}

ul.listing {
  font-family: monospace;
  margin: 1em 0;
  padding: 0;
}

ul.listing li {
  display: flex;
}

ul.listing li time {
  padding-right: 2rem;
}

hr {
  margin: 1rem 0 1rem;
}

blockquote {
  border-left: 1px solid #999;
  font-style: italic;
  margin: 0;
  padding-left: 1rem;
}

math[display="block"] {
  margin: 1rem 0;
}

table {
  border-collapse: collapse;
  margin: 1em 0;
}

table,
th,
td {
  border: 1px solid var(--table-bg-color);
}

th,
td {
  padding: 0.25rem 0.5rem;
}

@media screen and (max-width: 600px) {
  th,
  td {
    padding: 0.25rem;
  }
}

thead {
  background-color: var(--table-bg-color);
}

tr:nth-child(even) {
  background-color: var(--table-bg-color);
}

header {
  block-size: fit-content;
  display: flex;
  gap: 1rem;
  justify-content: center;
  width: fit-content;
}

header div.logo img {
  border-radius: 50%;
  border: 0;
  height: 60px;
  width: 60px;
}

header div.info {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

header div.info h1 {
  display: inline;
}

nav {
  block-size: fit-content;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  width: fit-content;
}

nav.primary {
  margin: 1rem 0 1rem;
}

nav.taxonomy {
  margin: 0;
  gap: 0 0.25rem;
}

nav.secondary {
  gap: 0.75rem;
}

main {
  block-size: fit-content;
  width: fit-content;
}

footer {
  margin: 1rem 0;
  block-size: fit-content;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: space-around;
  width: fit-content;
}

footer nav {
  font-size: smaller;
}

footer .copyright {
  font-size: smaller;
}