theme.txt

desktop-image: "images/background.png"
desktop-color: "#000000"
title-text: "Select a boot option"
title-font: "Display Bold 24"
title-color: "#eff0f1"
terminal-font: "Console Bold 16"
terminal-left: "0%"
terminal-top: "0%"
terminal-width: "100%"
terminal-height: "100%"
terminal-border: "0"

+ boot_menu {
  left = 20%
  top = 30%
  width = 60%
  height = 40%
  menu_pixmap_style = "images/boot_menu_*.png"
  item_height = 64  
  item_padding = 6
  item_spacing = 6 
  item_icon_space = 16
  item_font = "Display Bold 24"
  item_color = "#eff0f1"
  selected_item_color = "#eff0f1"
  selected_item_pixmap_style = "images/select_*.png"
  icon_width = 48
  icon_height = 48
  scrollbar = true
  scrollbar_width = 10
  scrollbar_thumb = "images/slider_*.png"
}

+ label {
  left = 35%
  top = 70%
  width = 30%
  id = "__timeout__"
  align = "center"
  text = "Booting in %ds"
  color = "#eff0f1"
  font = "Display Bold 24"
}