diff --git a/12/style.css b/12/style.css
index a2f4096..3ef2852 100644
--- a/12/style.css
+++ b/12/style.css
@@ -105,6 +105,9 @@ color: black;
   max-width:70%;
   right: 0px;
   margin-right: 30%;
+  border-style:dotted;
+  border-width:7px;
+  border-color: yellow;
 }