calculate-overlay/profiles/templates/2_ac_install_merge/sys-boot/grub/default.grub

# Calculate format=openrc path=/etc/default name=grub
GRUB_DISABLE_RECOVERY=true
GRUB_DISABLE_OS_PROBER=false
GRUB_DEFAULT=saved
GRUB_TIMEOUT=2
!GRUB_TERMINAL=del
GRUB_GFXMODE="1024x768"
GRUB_BACKGROUND="/boot/grub/grub-calculate.png"
GRUB_COLOR_NORMAL="white/black" 
GRUB_COLOR_HIGHLIGHT="magenta/black"
!GRUB_VIDEO_BACKEND=del
#?pkg(sys-boot/grub)>=2.02_beta2#
GRUB_GFXPAYLOAD_LINUX=keep
#pkg#
GRUB_FONT="/usr/share/grub/unicode.pf2"