I'm a vim user trying to feel at home in Emacs. I really like the different color for the null lines at the bottom I have in vim, like in this image:
I tried messing around with the set-face-background
of Emacs but I haven't find an equivalent option for this.
How can I achieve this customization in Emacs?
You can use the whitespace-mode
to highlight various invisible characters and boundaries. See also "Fringes" and "Displaying Boundaries" in Emacs Info.