@plone/volto/theme/themes/pastanaga/extras/toc.less

Volto

.table-of-contents.horizontalMenu.sticky-toc {
  position: sticky;
  z-index: 1;
  top: 0;
}

.table-of-contents.horizontalMenu .hidden {
  z-index: -1;
  pointer-events: none;
  visibility: hidden;
}

.table-of-contents.horizontalMenu .hidden-dropdown {
  display: none !important;
}

.table-of-contents.horizontalMenu .item.dropdown {
  position: absolute !important;
  right: 0;
}

.table-of-contents.horizontalMenu > .ui.menu {
  position: relative;
}

.table-of-contents.horizontalMenu .item.dropdown .focused > a {
  border: 2px solid black !important;
  border-radius: 4px;
}