/* Indent nested nav items */
.md-nav__item--nested .md-nav__list .md-nav__item {
  padding-left: 0.4rem;
}

/* Add arrow before nested nav links */
.md-nav__item--nested .md-nav__list .md-nav__item > .md-nav__link::before {
  content: "▪";
  margin-right: 0.4rem;
  opacity: 0.5;
}

/* Make collapsible section headers bold */
.md-nav__item--nested > .md-nav__link,
.md-nav__item--nested > .md-nav__container > .md-nav__link {
  font-weight: 700;
}