Examine source code of Hearts Blooming

{
  "theme": {
    "images": {
      "theme_frame": "BloomingHeartsH.jpg"
    },
    "colors": {
      "frame": "#ffcc99",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Hearts Blooming",
  "manifest_version": 2,
  "description": "Valentines Day, peach, hearts, flowers, soft, plants, abstract, summer, spring, grass My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/e29949669b8bc8b5cf57e63c987627d5f586d79afe34d488133facf8a83e5652/http%3A//abstract.desktopnexus.com/wallpaper/839586/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/839586/</a>"
}