Examine source code of Summer Foxgloves

{
  "theme": {
    "images": {
      "theme_frame": "SummerFoxglovesHCustom.jpg"
    },
    "colors": {
      "frame": "#669999",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Summer Foxgloves",
  "manifest_version": 2,
  "description": "butterflies, fence, field, flowers, foxgloves, grass, lawn, leaves, summer, bird, spring, nature, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/c9c699f3e965d6a9d50712bf1ce7a5104e68205877c788250adef6365d1dc8ed/http%3A//nature.desktopnexus.com/wallpaper/1090632/\">http://nature.desktopnexus.com/wallpaper/1090632/</a>"
}