/* Keep closed desktop category menus out of the page's scroll area. */
@media (min-width: 768px) {
  #_desktop_top_menu .top-menu .popover.sub-menu {
    max-height: 0;
    overflow: hidden;
  }
  #_desktop_top_menu .top-menu li:hover > .popover.sub-menu,
  #_desktop_top_menu .top-menu li:focus-within > .popover.sub-menu {
    max-height: min(70vh, 650px);
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
  }
}