Centre Emacs buffer within window

Question

I wrap all my code at 80 columns, and there are times where the Emacs window is wider than 80 columns and there is a lot of unused whitespace on the right side.

I would

Answer 1

Center window mode

https://github.com/anler/centered-window-mode

Global minor mode that centers the text of the window.

If another window is visible the text goes back to normal if its width is less than "cwm-centered-window-width."