body {
  font-family: Arial, sans-serif;
  line-height: 1.5;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

p {
  text-align: justify;
}

section {
  margin: 0 1em;
  margin-bottom: 25vh;
  max-width: 40em;
}

#banner {
  width: 100%;
  max-width: 40em !important;
  margin: 0;
}

img {
  max-width: 100%;
  display: block;
  margin: 2em auto;
}

li p {
  margin: 0;
}

h1 {
  font-size: 2em;
  margin: 1em 0;
}

h2 {
  margin-top: 3em;
  border-bottom: 1px solid black;
}

h3 {
  font-size: inherit;
}

code,
em {
  background-color: #eeeeee;
  padding: 3px .4em;
  border-radius: .2em;
  margin: .2em;
}

code {
  background: black;
  color: #ffffff;
}

pre,
blockquote {
  padding: .5em 1em;
}

blockquote {
  background-color: #eeeeee;
  margin: 0;
  border-left: .5em solid green;
}

pre {
  background: black;
  color: #ffffff;
  line-height: 1em;
}

pre code {
  padding: 0;
  background-color: unset;
}

#article_metadata {
  font-style: italic;
  font-size: .8em;
}