diff --git a/12/style.css b/12/style.css
index 446dd33..b300d42 100644
--- a/12/style.css
+++ b/12/style.css
@@ -193,12 +193,6 @@ a:hover{
   display:none;
 }
 
-body {
-    background: #888;
-}
-body.connected {
-    background: white;
-}
 #shell_03 {
     white-space: pre-wrap;
     height: 40em;