p.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}
 
p.flushright {
  text-align: right;
} 
.header-section-number {
  padding-right: .2em;
  font-weight: 500;
}
.level1 .header-section-number {
  display: inline-block;
  border-bottom: 3px solid;
} h1.title {
  font-weight: 700;
}
.book