/* Nav separators: visual border-top on selected top-level items */
.md-nav--primary > .md-nav__list > .md-nav__item:nth-child(2),
.md-nav--primary > .md-nav__list > .md-nav__item:nth-child(6),
.md-nav--primary > .md-nav__list > .md-nav__item:nth-child(7) {
  border-top: 1px solid var(--md-default-fg-color--lighter);
  margin-top: 0.6em;
  padding-top: 0.6em;
}