:root {
  --book-accent: #245b86;
  --book-soft: #eef5fa;
}

body {
  line-height: 1.75;
}

.sidebar-title {
  font-weight: 700;
}

.content p,
.content li {
  line-height: 1.75;
}

.content blockquote {
  border-left: 3px solid var(--book-accent);
  background: var(--book-soft);
  padding: 0.5rem 1rem;
}

.chapter-number,
.header-section-number {
  color: var(--book-accent);
}