:root {
  --background: #ffffff;
  --text: #000000;
  --primary: #008080;
  --secondary: #c0c0c0;
  --tertiary: #800040;
  --link: #0000ee;
  --link-visited: #551a8b;
}
body {
  background: var(--background);
  color: var(--text);
  font-family: monospace, serif;
  font-size: 12pt;
  line-height: 1.5;
  margin: 0;
  padding: 24px 16px 60px;
  max-width: 640px;
}
.page {
  margin: 0;
}
nav {
  font-size: 10pt;
  margin-bottom: 8px;
}
nav a {
  color: var(--link);
  text-decoration: underline;
}
nav a:visited {
  color: var(--link-visited);
}
nav .sep {
  color: var(--text);
  padding: 0 4px;
}
hr {
  border: none;
  border-top: 1px solid var(--secondary);
  margin: 20px 0;
}
h1 {
  font-family: Georgia, serif;
  font-size: 28px;
  color: var(--primary);
  margin: 0 0 4px;
}
.tagline {
  font-style: italic;
  color: var(--text);
  margin: 0 0 4px;
  font-size: 15px;
}
h2 {
  font-size: 18px;
  color: var(--primary);
  border-bottom: 1px solid var(--secondary);
  padding-bottom: 4px;
  margin-top: 0;
}

a {
  color: var(--link);
  text-decoration: underline;
}

a#active {
  color: var(--tertiary);
}

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

ul {
  list-style: decimal-leading-zero;
  margin: 0;
}

ul li {
  margin-bottom: 6px;
}

a:focus {
  outline: none;
  border-bottom: 2px ridge var(--primary);
  list-style-position: inside;
}

main#index {
  display: grid;
  grid-template-columns: minmax(120px, 120px) minmax(0, 1fr);
  grid-template-rows: fit-content 380px;
  gap: 6px;
  max-width: 100%;
}

main section:first-of-type {
  grid-row: span 2 / span 2;
  position: relative;
}

main section:not(:first-of-type) {
  grid-column-start: 2;
  grid-column-end: 3;
  width: 100%;
}

footer {
  margin: 0;
  margin-top: 30px;
  font-size: 12px;
  color: #555;
  text-align: right;
}

.badge {
  border: 1px solid var(--secondary);
  padding: 2px 6px;
  font-size: 11px;
  font-family: 'Courier New', monospace;
  color: var(--text);
  display: inline-block;
}

.breadcrumb {
  font-size: 10pt;
  margin: 2px 0 0;
}