Examine source code of Spring So Pretty

{
  "theme": {
    "images": {
      "theme_frame": "springSoSoftlyH.jpg"
    },
    "colors": {
      "frame": "#f3f7f2",
      "tab_background_text": "#080808"
    }
  },
  "version": "2.0",
  "name": "Spring So Pretty",
  "manifest_version": 2,
  "description": "apple blossoms, scattered, green, spring, summer, shadows, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/c74d237ba284ebb4d8adb6d09904e17f976027b5dcc2f0fdfff795fd71f25091/http%3A//nature.desktopnexus.com/wallpaper/747664/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/747664/</a>"
}