body {
  padding: 5%;
}

.intro {
  margin-left: 16px;
  border-radius: 16px;
  padding: 32px;
  max-width: 770px;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.1);
}

.intro a {
  text-decoration: none;
  color: rgba(100, 100, 255);
  font-weight: bold;
}

.footnotes-area {
  font-size: 0.8em;
  padding-left: 2%;
}

.md-footnote {
  background-color: #f0f0f0;
  padding: 2px;
  border-radius: 10px;
  font-size: 0.7em;
}

hr {
  display: block;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  margin-left: auto;
  margin-right: auto;
  border-style: inset;
  border-width: 1px;
}

details {
  font-size: 0.9em;
}

.box-banner-wrapper {
  padding-left: 15%;
  padding-right: 15%;
  font-size: 0.9em;
}