html {
  justify-content: center;
  display: flex;
  background-color: #202020;
}

body {
  font-family: sans-serif;
  background-color: #ffffff;
  max-width: 60em;
  padding: 1em;
}

table, th, td {
  border: 1px solid;
}

img {
  max-width: 100%;
}

p {
  text-indent: 0em;
}

h1, h2, h3, h4 {
  font-family: serif;
}

#title-block-header {
  text-align: center;
}

.title {
  font-size: 300%;
}

.author {
  font-style: italic;
}

.citation {
  vertical-align: super;
  font-size: 0.83em;
}

#refs p {
  text-indent: 0 !important;
}

figure p {
  margin: 0;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}