body {
  margin: 0px;
  padding: 0px;
  font-size: 16px;
  line-height: 28px;
  font-family: sans-serif;
  background-color: #FFF;
  color: #000;
}

nav {
  margin-bottom: 25px;
}

header {
  border-bottom: 1px dashed #CDD4DD;
  padding-bottom: 10px;
}

img {
  max-width: calc(100% - 40px);
  height: auto;
}

main.content {
  margin-top: 25px;
}

main.index {
  font-size: 0.8em;
}

h1 {
  font-size: 1.5em;
}

h2 {
  font-size: 1.25em;
  font-weight: 400;
  color: rgba(27, 27, 27, 0.75);
  margin-top: 40px;
}

h3 {
  font-size: 1.0em;
  font-weight: 300;
  color: #666;
}

article h1, article h2, article h3 {
  margin: 5px 0px;
  line-height: 1.25em;
}

header h1, header h2, header h3 {
  margin: 10px 0px;
  line-height: 1.25em;
}

h2.subheader {
  font-size: 1.1em;
}

article {
  padding: 15px 0px;
  border-bottom: 1px dashed #CDD4DD;
}

article:last-child {
  border-bottom: none;
}

a {
  text-decoration: none;
  color: #336699;
}

code {
  background-color: #efefef;
  overflow-x: auto;
}

pre.codehilite {
  background-color: #efefef;
  padding: 10px;
  overflow-x: auto;
}

th, td {
  border: 1px solid #ccc;
  padding: 5px;
}

th {
  background-color: #efefef;
}

@media screen and (min-width: 1025px) {
  div.container {
    background-color: #fff;
    box-shadow: 0px 6px 12px 3px rgba(0, 0, 0, 0.15);
  }
  body {
    padding: 20px;
    background-color: #F6F6F6;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #000;
    color: #fff;
  }
  h2 {
    color: #F6F7F9;
  }
}

figure {
  margin: 25px 5px;
  border-left: 5px solid #ccc;
  padding-left: 15px;
  font-style: italic;
}

figure p {
  white-space: pre-line;
}

figcaption {
  margin-top: 15px;
  font-style: normal;
  padding-left: 5px;
}

p.term {
  font-weight: bold;
  font-size: 1.25em;
  margin-top: 25px;
}

div.mark {
  padding: 10px;
  margin-bottom: 30px;
}

div.mark p:last-child {
  margin-bottom: 0px;
}