Examine source code of Wikileaks Dark

{
  "theme": {
    "images": {
      "theme_frame": "Wikileaks3_top.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "Wikileaks Dark",
  "manifest_version": 2,
  "description": "Wikileaks sheds light on the secret dealings of governments. When deals are made by governments in secret you can be sure the interests of the people are not being served. For our own future and that of our children, now is the time to support freedom and government transparency."
}