Examine source code of Pretty in Pastels

{
  "theme": {
    "images": {
      "theme_frame": "PrettyinPastelsH.jpg"
    },
    "colors": {
      "frame": "#ffdff8",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Pretty in Pastels",
  "manifest_version": 2,
  "description": "blue flowers, pearls, ribbon, blue bow, butterflies, pink, bubbles, balls, spring, summer, soft, My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/b16237a8d8ee1929ae16ee7211bdbaa7913fb6476c73f43f7ee57d42f2ff04fe/http%3A//nature.desktopnexus.com/wallpaper/833910/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/833910/</a>"
}