.book-lead {
  margin: 1.25rem 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(96, 106, 132, 0.3);
  border-radius: 0.75rem;
  background: rgba(127, 132, 156, 0.08);
}

.chapter-outline,
.chapter-summary,
.chapter-resources {
  margin: 1.25rem 0;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(96, 106, 132, 0.22);
  border-radius: 0.75rem;
  background: rgba(127, 132, 156, 0.06);
}

.chapter-outline > :first-child,
.chapter-summary > :first-child,
.chapter-resources > :first-child,
.book-lead > :first-child {
  margin-top: 0;
}

.chapter-outline > :last-child,
.chapter-summary > :last-child,
.chapter-resources > :last-child,
.book-lead > :last-child {
  margin-bottom: 0;
}

.chapter-outline ul,
.chapter-summary ul,
.chapter-resources ul {
  margin-bottom: 0;
}

blockquote {
  margin: 1.1rem 0;
  padding: 0.85rem 1rem;
  border-left: 0.3rem solid rgba(82, 94, 133, 0.7);
  border-radius: 0.5rem;
  background: rgba(127, 132, 156, 0.07);
}

blockquote p {
  margin: 0.4rem 0;
}

hr {
  margin: 1.8rem 0;
}