diff --git a/12/style.css b/12/style.css
index 755a05c..8264457 100644
--- a/12/style.css
+++ b/12/style.css
@@ -38,7 +38,8 @@ body{
   width:100%;
   font-family: Roboto Mono;
   font-size: 24px;
-  overflow: hidden;
+  overflow-x: hidden;
+  overflow-y: scroll;
 
 }