Examine source code of Green Rain Drops

{
  "theme": {
    "images": {
      "theme_frame": "GreenRainDropsH2.jpg"
    },
    "colors": {
      "frame": "#003300",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Green Rain Drops",
  "manifest_version": 2,
  "description": "abstract, fantasy, dew, drops, grass, green, nature, rain, water, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/a399232f1d2c3f6624c918582f658d137b30131c6ff16541e7030243bc0ae92b/http%3A//abstract.desktopnexus.com/wallpaper/1052439/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/1052439/</a>"
}