diff --git a/static/css/docdetail.css b/static/css/docdetail.css
index e1da39b406d7619b329c15221d0e94f98439d219..7a3ae42011aef8a63b0de91e702790cf58210594 100644
--- a/static/css/docdetail.css
+++ b/static/css/docdetail.css
@@ -106,8 +106,6 @@
 }
 
 #menu-box .jstree-container-ul>.jstree-node {
-    display: flex;
-    align-items: center;
     margin-bottom: 30px;
 }