Is there a way to set a Default Layout in the Help Center/Customer Portal?

Is there a way to set a Default Layout in the Help Center/Customer Portal?

Is there a way to set a Default Layout in the Help Center/Customer Portal? I know customers can update that themselves if they want, but I'd like to set a default. I don't like how the form is on the right with all that empty space to the left. I'd like the actual form to be on the left and the "sidebar" to be on the right by default. See attached images