diff --git a/12/style.css b/12/style.css
index 83cccab..a147abc 100644
--- a/12/style.css
+++ b/12/style.css
@@ -445,7 +445,7 @@ a:hover{
   	height: 100px;
     font-family: Roboto Mono;
     color: white;
-    /*overflow-y: hidden;*/
+    overflow-y: hidden;
     /*margin-bottom: 20px;
     margin-top: 20px;*/
     background-color: black;