p.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}
body {text-align: justify;}

.level1 .header-section-number {
  display: inline-block;
  border-bottom: 3px solid;
}
.level1 h1 {
  border-bottom: 1px solid;
}

.level2 .header-section-number {
  border-bottom: none;
}

.csl-entry {
    padding-bottom: 1em;
}