Examine source code of Strawberry Season

{
  "theme": {
    "images": {
      "theme_frame": "StrawberryBloomsH.jpg"
    },
    "colors": {
      "frame": "#de0707",
      "tab_background_text": "#d90707"
    }
  },
  "version": "2.0",
  "name": "Strawberry Season",
  "manifest_version": 2,
  "description": "strawberries, blossoms, blooming, summer, fruit, sweet, berry, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/1469b34166be62c950cd7d19ca38c4c30c7aea19e17d99a7e14e2e1cb11afaef/http%3A//nature.desktopnexus.com/wallpaper/650011/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/650011/</a>"
}