xpi/content/css/bmbut_cleanpopup.css
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

@-moz-document url(chrome://browser/content/browser.xul) {

	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_viewBookmarksSidebar,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_viewBookmarksToolbar,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_viewBookmarksToolbar + menuseparator,
	#ctraddon_BMB_bookmarksPopup #BMB_bookmarksShowAll,
	#ctraddon_BMB_bookmarksPopup #BMB_bookmarksShowAll + menuseparator,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_subscribeToPageMenuitem,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_subscribeToPageMenupopup,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_subscribeToPageMenupopup + menuseparator,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_bookmarksToolbar,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_unsortedBookmarks_m,
	/*#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_unsortedBookmarks_m + menuseparator,*/
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_unsortedBookmarks_m + menuseparator + menuseparator,
	#ctraddon_BMB_bookmarksPopup .small-separator,
	#ctraddon_BMB_bookmarksPopup .hide-if-empty-places-result,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_unsortedBookmarks,
	#ctraddon_BMB_bookmarksPopup #ctraddon_BMB_unsortedBookmarks_m2 {
	  visibility: collapse !important;
	}

}