Examine source code of Gaming War Planes

{
  "theme": {
    "images": {
      "theme_frame": "plane2.jpg"
    },
    "colors": {
      "frame": "#cccccc",
      "tab_background_text": "#cccccc"
    }
  },
  "version": "2.0",
  "name": "Gaming War Planes",
  "manifest_version": 2,
  "description": "Corsair, Mustang, planes, gaming, sky, ww2, plane, blue, dark blue, gray"
}