Examine source code of DutchIT

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxPersona.jpg"
    },
    "colors": {
      "frame": "#f25f1b",
      "tab_background_text": "#2a3f96"
    }
  },
  "version": "2.0",
  "name": "DutchIT",
  "manifest_version": 2,
  "description": "My company"
}