diff --git a/12/style.css b/12/style.css
index 541944f..c75d5f7 100644
--- a/12/style.css
+++ b/12/style.css
@@ -296,7 +296,7 @@ a:hover{
 }
 
 #shell_03 iframe{
-  width: 500px;
+  width: 700px;
   height: 200px;
   border: none;
   background-color: none;