Examine source code of Dark Blossoms

{
  "theme": {
    "images": {
      "theme_frame": "DarkBlossomsH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dark Blossoms",
  "manifest_version": 2,
  "description": "blue flowers on red, Sakura, cherry blossoms, lavender, red gradient, spring, summer, My desktop wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/3e86198ad78ae1bb87a4a640eb62671245027b4bd8e5b14631f98b7ff81007c8/http%3A//nature.desktopnexus.com/wallpaper/639908/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/639908/</a>"
}