diff --git a/12/style.css b/12/style.css
index 8e48a58..ee9a53a 100644
--- a/12/style.css
+++ b/12/style.css
@@ -269,12 +269,11 @@ a:hover{
   	margin-top: 100px;
   	margin-bottom: 20px;
     overflow: hidden;
-    overflow-y: hidden; /* Hide vertical scrollbar */
-    overflow-x: hidden; /* Hide horizontal scrollbar */
 }
 
 #shell_03.hidden {
   display:none;
+  overflow: hidden;
 }
 
 #shell_03 iframe {
@@ -282,6 +281,7 @@ a:hover{
   height: 100%;
   border: none;
   background-color: none;
+  overflow: hidden;
 }
 
 #torusKnot {
@@ -396,7 +396,6 @@ a:hover{
 /* Broadcast 12.5 */
 
 #implicancies_05 {
-
   background-color: black;
   color: white;
   border: 0px none;