Why is this overlap not working

So I’ve been working on a family feud project and I had a surface GUI with the ZindexBehavior property set to “Global”. The Zindex in the children under the SurfaceGUI is at max which is 1000000. The rest of the GUI zindex were set as 1-20. It is still however giving me this clipping texture effect which I don’t like. I want the X’s to be on top of the board only. I don’t want the “AlwaysOnTop” property enabled because I don’t want the X’s to go through the walls.

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If you could help me out, that would be appreciated, thanks! :smile: