Examine source code of wolfking

{
  "theme": {
    "images": {
      "theme_frame": "car.1show.jpg"
    },
    "colors": {
      "frame": "#eff7f6",
      "tab_background_text": "#eff5f7"
    }
  },
  "version": "2.0",
  "name": "wolfking",
  "manifest_version": 2,
  "description": "cars"
}