Examine source code of Summer Blues

{
  "theme": {
    "images": {
      "theme_frame": "SummerBluesHCustom.jpg"
    },
    "colors": {
      "frame": "#5690e8",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Summer    Blues",
  "manifest_version": 2,
  "description": "blue, butterflies, flower, lavender,soft, spring, summer, bright, blue, stars, glow, glitter,\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/b4786f8387b1f53e657f6913e6688909aa1f28cd3c491ef66eadeb55711caa12/http%3A//nature.desktopnexus.com/wallpaper/1067057/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1067057/</a>"
}