tghandbook/style/main.scss

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

.bgimage {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
  img {
    opacity: 0.4;
  }
}

$nanotrasen: #384e68;

#app {
  height: 100%;
  display: grid;
  background: linear-gradient(
    to bottom,
    darken($nanotrasen, 20%),
    darken($nanotrasen, 10%)
  );
  background-size: 100% 100%;
  background-attachment: fixed;
  color: #fff;
  font-family: "Iosevka Aile Web", sans-serif;
  font-size: 9pt;
  line-height: 1.6em;
  grid-template-rows: 40px 1fr;
}

#tabs {
  grid-row: 2;
  padding: 10pt;
  overflow-y: scroll;
  z-index: 1;
  .page {
    a[href] {
      color: white;
    }
    #toctitle,
    h1,
    h2,
    h3 {
      position: sticky;
      top: -10pt;
      background: $nanotrasen;
      padding: 5px 10px;
      z-index: 999;
    }
    #toctitle h2 {
      margin: 0;
    }
    .mw-headline {
      display: flex;
      align-items: center;
    }
  }
}

#tablist {
  grid-row: 1;
}