Examine source code of Kang 3

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_Kang3.jpg"
    },
    "colors": {
      "frame": "#b5b5b5",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Kang 3",
  "manifest_version": 2,
  "description": "Kang as in Kangaroo.  Hopping fun.  Learning to use GIMP better with layering thrown in.  Easy way to make a simple image interesting.  Good for days when I am in need of some energy...look to the hopping fellas!"
}