e8406f937e
The background color option is self-explanatory. The mode is either `normal` or `stretch`, they are as defined by GRUB, where normal will put the image in the top-left corner of the menu, and stretch is the default, where it stretches the image without consideration for the aspect ratio. * https://www.gnu.org/software/grub/manual/grub/grub.html#background_005fimage
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.