Examine source code of CLK_Mercedes

{
  "theme": {
    "images": {
      "theme_frame": "fox-jpg.jpg"
    },
    "colors": {
      "frame": "#919191",
      "tab_background_text": "#b3b3b3"
    }
  },
  "version": "2.0",
  "name": "CLK_Mercedes",
  "manifest_version": 2,
  "description": "CLK Mercedes"
}