🚀 override terminal background color

[crazyhulk]

• Please include the raw text output from git, so that we can reproduce the problem.
  (You can use git --no-pager to produce the raw text output.)
• A screenshot of Delta's output is often helpful also.

How can I change the background color?

git show | bat --light which get a dark background color.

I want a background color like this:

The iterm2 background color is dark.

#87