Examine source code of jas333

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxHeaderPaganTrees.jpg"
    },
    "colors": {
      "frame": "#548012",
      "tab_background_text": "#540d0d"
    }
  },
  "version": "2.0",
  "name": "jas333",
  "manifest_version": 2,
  "description": "pagan. wiccan, witch, tree of life"
}