Examine source code of just painted Green

{
  "theme": {
    "images": {
      "theme_frame": "firefoxHeaderGreen.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "just painted Green",
  "manifest_version": 2,
  "description": "This is a simple personas. I hope you like it and wish you much fun with the personas. Thanks :-D"
}