diff --git a/standalone/index.html b/standalone/index.html
index 5c1daa89fcf8..5c21c1033744 100644
--- a/standalone/index.html
+++ b/standalone/index.html
@@ -183,7 +183,6 @@
       /* tree nodes */
 
       .nodeheader {
-        display: flex;
         width: 100%;
         padding: 0px 2px 0px 1px;
       }