diff --git a/dev.less b/dev.less
index 63a6da8..067b112 100644
--- a/dev.less
+++ b/dev.less
@@ -37,7 +37,6 @@ display: block !important;
 }
 */
 
-
 /* desktop */
 @media (min-width: 768px) { /* desktop */
     /* transparent background*/
@@ -100,4 +99,8 @@ display: block !important;
         width: 15% !important;
     }
 
+    .submenu.level1>li>a::before{
+        content: "\25B6 ";
+    }
+
 }