@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul); .bookmark-item[container], treechildren::-moz-tree-image(container) { fill: gold !important; } treechildren::-moz-tree-image(container, OrganizerQuery_BookmarksToolbar) { fill: Gold !important; } treechildren::-moz-tree-image(container, OrganizerQuery_BookmarksMenu) { fill: Gold !important; } treechildren::-moz-tree-image(container, OrganizerQuery_UnfiledBookmarks) { fill: Gold !important; } treechildren::-moz-tree-image(container, livemark) { fill: Gold !important; } .bookmark-item[container][query], treechildren::-moz-tree-image(container, query) { fill: Gold !important; }