-treechildren::-moz-tree-image(subjectCol, news, attach, offline) {
+.tabmail-tab[type="message"][MessageType="rss"][Attachment="true"][Offline="true"],
+.tabmail-tab[type="message"][MessageType="nntp"][Attachment="true"][Offline="true"],
+tree[noattachcol="true"] > treechildren::-moz-tree-image(subjectCol, rss, attach, offline),
+tree[noattachcol="true"] > treechildren::-moz-tree-image(subjectCol, news, attach, offline) {