Revert "Don't set background."
Revert "Don't set background."

This reverts commit 7e58e332dc5ea31e55f07c43c665533dfe5bc9b2.

khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc,khatchad/vimrc