grub2-solarized-dark

Grub2 theme based in StylishDark

How To:

Unzip
Go to unzipped folder
in terminal run the command sudo ./install.sh
Follow the messages
Reboot && Enjoy :)

or u can do this manually:

Unzip and copy theme folder in /boot/grub2/themes/
add (or edit existing lines) this to /etc/default/grub:

GRUB_THEME=/boot/grub2/themes/grub2-solarized-dark/theme.txt

update your grub:
for Fedora grub2-mkconfig -o /boot/grub2/grub.cfg UEFI grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
for Debian update-grub
Done!