Basically just "Distro Grub Themes" arch theme with a modified background.
Original: Link
- Just copy the "arch-linux" folder into /boot/grub/themes/ (create the folder if it doesn't exist)
- Edit /etc/default/grub with your editor of choice and add
GRUB_THEME=/boot/grub/themes/arch-linux/theme.txt"
at the end - Run
grub-mkconifg -o /boot/grub/grub.cfg
- Profit