diff --git a/app-dm/src/pages/ListPages/Training/Operation2.css b/app-dm/src/pages/ListPages/Training/Operation2.css
index c19627c..25f8d62 100644
--- a/app-dm/src/pages/ListPages/Training/Operation2.css
+++ b/app-dm/src/pages/ListPages/Training/Operation2.css
@@ -131,4 +131,5 @@ Link{
     margin-left: 1280px;
     margin-top: -50px;
     font-size: 18px;
+    z-index: 999;
 }