anchor.diff:  
   === Make Layers
   
  -The following Java code shows how we add layers to the start screen and HUD screen:
  +The following Java code shows how we add layers to the start screen and HUD screen. Add the following to your `Screen.java` file:
   
   [source,java]
   ----
  
positive.code: 
  === Add Images
  
  The start-background.png image is a fullscreen background picture. In the `start` screen, add the following image element:
  
  [source,java]
  ----
  
negative.code: ----
  
  Note that these controls don't do anything yet – we'll get to that soon.
  
  
  ==== Other Controls
  
  Nifty additionally offers many customizable controls such as check boxes, text fields, menus, chats, tabs, … See also link:https://versaweb.dl.sourceforge.net/project/nifty-gui/nifty-gui/1.3.2/nifty-gui-the-manual-1.3.2.pdf[Nifty GUI - the Manual: Elements].
  
  
  == Intermediate Result
  
  When you preview this code in the jMonkeyEngine SDK, our tutorial demo should looks as follows: A start screen with two buttons, and a game screen with a simple HUD frame and a blue cube (which stands for any jME3 game content).
  
  TIP: Remove all lines that set background colors, you only needed them to see the arrangement.
  
  
  image::jme3/advanced/nifty-gui-simple-demo.png[nifty-gui-simple-demo.png,width="",height="",align="center"]
  
  
  Your `Screen.java` file should look like this:
  
  