diff --git a/12/style.css b/12/style.css
index f41676e..3b98aec 100644
--- a/12/style.css
+++ b/12/style.css
@@ -509,4 +509,7 @@ iframe.hidden {
   float: left;
   border: 3px solid white;
 }
-  
\ No newline at end of file
+
+#week_05.hidden{
+  display:none;
+}
\ No newline at end of file