diff --git a/12/style.css b/12/style.css
index d7d858f..582f325 100644
--- a/12/style.css
+++ b/12/style.css
@@ -397,6 +397,7 @@ a:hover{
 
   background-color: black;
   color: white;
+  border: 0px none;
   
    }