:root {
  --page-bg: #ffffff;
  --image-bg: #eeeeee;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
  color: #000000;
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: #0000ff;
}

a:visited {
  color: #000099;
}

body.landing {
  background: #f4f4f4;
  color: #111111;
  line-height: 1.45;
}

.landing-page {
  box-sizing: border-box;
  max-width: 880px;
  margin: 0 auto;
  padding: 36px 24px 60px;
}

.landing-hero {
  border-bottom: 1px solid #cfcfcf;
  padding: 18px 0 30px;
}

.landing-kicker {
  color: #555555;
  font-size: 15px;
  margin: 0 0 8px;
}

.landing-hero h1 {
  font-size: 44px;
  line-height: 1.05;
  margin: 0 0 16px;
}

.landing-lead {
  font-size: 19px;
  max-width: 680px;
  margin: 0 0 24px;
}

.landing-actions {
  margin: 0 0 18px;
}

.primary-button,
.primary-button:visited {
  background: #0000cc;
  border-radius: 4px;
  color: #ffffff;
  display: inline-block;
  font-weight: bold;
  padding: 10px 16px;
  text-decoration: none;
}

.primary-button:hover,
.primary-button:focus {
  background: #000088;
}

.landing-meta {
  color: #555555;
  font-size: 14px;
  margin: 0;
}

.landing-section {
  margin-top: 32px;
}

.landing-section h2 {
  font-size: 24px;
  margin: 0 0 14px;
}

.landing-section h3 {
  font-size: 17px;
  margin: 28px 0 10px;
}

.landing-section p {
  margin: 0 0 16px;
}

.historical-text {
  background: #ffffff;
  border: 1px solid #d5d5d5;
  padding: 22px 24px 10px;
}

.layout {
  display: grid;
  grid-template-columns: var(--sidebar-width, 30%) 7px 1fr;
  height: 100vh;
}

.sidebar,
.description {
  box-sizing: border-box;
  overflow: auto;
  padding: 12px;
}

.splitter {
  background: #eeeeee;
  border-left: 1px solid #d0d0d0;
  border-right: 1px solid #d0d0d0;
  cursor: col-resize;
  touch-action: none;
}

.splitter:hover,
.splitter:focus {
  background: #dcdcdc;
  outline: none;
}

.sidebar {
  font-size: medium;
}

.nav-title {
  font-size: large;
  margin-bottom: 1.4em;
}

.description {
  background: var(--image-bg);
  font-size: medium;
}

.bib {
  margin: 0;
}

.note {
  font-size: small;
  margin-top: 0.8em;
}

.sig {
  color: #009900;
}

.images {
  border-collapse: collapse;
  margin-top: 0.8em;
  margin-bottom: 0.4em;
}

.images td {
  padding: 0;
  vertical-align: top;
}

.images img {
  border: 0;
}

hr {
  margin: 0.8em 0;
}

.legacy-list {
  background: var(--page-bg);
  color: #000000;
}

.legacy-description {
  background: var(--image-bg);
  color: #000000;
}

@media (max-width: 720px) {
  .landing-page {
    padding: 26px 16px 42px;
  }

  .landing-hero h1 {
    font-size: 34px;
  }

  .historical-text {
    padding: 18px 16px 6px;
  }

  .layout {
    grid-template-columns: 1fr;
    height: auto;
  }

  .splitter {
    display: none;
  }

  .sidebar,
  .description {
    overflow: visible;
  }

  .sidebar {
    border-bottom: 1px solid #cccccc;
  }
}