diff --git a/12/style.css b/12/style.css
index 0508ce2..1e15045 100644
--- a/12/style.css
+++ b/12/style.css
@@ -229,7 +229,7 @@ a:hover{
 
 #shell_03 {
     white-space: pre-wrap;
-    height: 40em;
+    height: 30em;
     width: 100%;
     font-family: monospace;
     color: white;