diff --git a/views/ngXosViews/UITutorial/src/css/main.css b/views/ngXosViews/UITutorial/src/css/main.css
index d008cb5..cc63179 100644
--- a/views/ngXosViews/UITutorial/src/css/main.css
+++ b/views/ngXosViews/UITutorial/src/css/main.css
@@ -1,5 +1,7 @@
 #xosUITutorial {
   width: 100%; }
+  #xosUITutorial .ace_editor {
+    height: 200px; }
   #xosUITutorial js-shell {
     display: block; }
     #xosUITutorial js-shell #shell-panel {