Examine source code of Spring So Beautiful

{
  "theme": {
    "images": {
      "theme_frame": "SpringsoBeautfiuflH4Custom.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Spring So Beautiful",
  "manifest_version": 2,
  "description": "sky, Sakura, cherry blossoms, flowrs, trees, field, grass, green, clouds, summer, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/ff41133f1716c258bdafe6ed0025c62457bb0f54306146393a90238e2b54d70c/http%3A//nature.desktopnexus.com/wallpaper/671824/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/671824/</a>"
}