diff --git a/css/mobile-first.css b/css/mobile-first.css
index f73972b..cb4c03a 100644
--- a/css/mobile-first.css
+++ b/css/mobile-first.css
@@ -1428,5 +1428,7 @@
         .dropdown:hover .dropdown-content {
             display: block;
         }
+		
+		.dropdown:active .dropdown-content img{display:none;	 }
 
         /*pc style end */