1 files changed, 1 insertions, 1 deletions
diff --git a/src/content/dependencies/generateArtTagAncestorDescendantMapList.js b/src/content/dependencies/generateArtTagAncestorDescendantMapList.js
index 6b4e52df..34a45ffc 100644
--- a/src/content/dependencies/generateArtTagAncestorDescendantMapList.js
+++ b/src/content/dependencies/generateArtTagAncestorDescendantMapList.js
@@ -96,7 +96,7 @@ export default {
 
   generate(data, relations, {html, language}) {
     const recursive = (dataNode, relationsNode) =>
-      html.tag('dl', [
+      html.tag('dl', {class: dataNode === data.root && 'tree-list'}, [
         dataNode.displayBriefly &&
           html.tag('dt',
             language.$('artTagSidebar.otherTagsExempt', {