/* Preserve the Bootstrap 4 menu appearance with keyboard-focusable toggles. */
.main-nav button.nav-link {
  background: transparent;
  border: 0;
  font: inherit;
  padding: 1rem;
  text-align: left;
}

/* Let the existing menu-item hover colour show through, as on live. */
.main-nav .dropdown-menu .dropdown-item {
  background-color: transparent;
}