The default look of Grub2 boot menu screen is a bit bland & boring to say the least, but it is very easy to spice it up with vivid font colors and a background image. Are you guys & gals ready to color your Grub2 boot menu screen? Let’s dive right into it, then.
systemd-boot is good but it might never have theming support as Lennart Poettering thinks that,
https://github.com/systemd/systemd/issues/10139#issuecomment-423901271
I found that and I went out of my way to login to GitHub and down vote that comment yesterday.
Good job 👍