diff --git a/module/editor/css/extend.css b/module/editor/css/extend.css
index cb5051802c..68dc6d394b 100644
--- a/module/editor/css/extend.css
+++ b/module/editor/css/extend.css
@@ -12,3 +12,4 @@
 .m-editor-extend .main-header {padding: 10px 20px; }
 .m-editor-extend .main-content {padding: 0px; padding-top: 10px; box-shadow: none;}
 #extendTree li a {white-space: nowrap;}
+#extendTree span {padding: 0 4px;}