GUI Button doesnt seem

Hello. I want to create a deck. I am trying to test something. But i couldn’t create a button. I was watcing a tutorial and following him but my code didnt work.

2749843–198319–DebugChangeCards.cs (514 Bytes)
2749843–198320–CardModel.cs (460 Bytes)

Hi,

Which tutorial it is? (link)

What was the problem in your code, error message or button is not visible or something else…?