I have a problem with WindowBuilder. As you can see in the pic below, the design of my window does not look as it should. I can't see the close button. I have tried installing different versions of Eclipse but it does not fix it. Any ideas?

I have a problem with WindowBuilder. As you can see in the pic below, the design of my window does not look as it should. I can't see the close button. I have tried installing different versions of Eclipse but it does not fix it. Any ideas?
