Examine source code of Echoing Blue Firefox

{
  "theme": {
    "images": {
      "theme_frame": "firefoxpersonaheader.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Echoing Blue Firefox",
  "manifest_version": 2,
  "description": "Just a basic black and blue persona with Firefox icons on it.\n\nI'll do any requests for Firefox a persona that you want just send me a email at : kid356@gmail.com and I'll do the persona for you."
}