/* Keep primary navigation groups expanded on all pages. */
.md-nav--primary .md-nav__item--nested > .md-nav {
  display: block !important;
  max-height: none !important;
  opacity: 1 !important;
  visibility: visible !important;
}

/* Hide expand/collapse affordance since groups are always visible. */
.md-nav--primary .md-nav__item--nested > .md-nav__container .md-nav__icon {
  display: none !important;
}