Examine source code of Autumn Framed

{
  "theme": {
    "images": {
      "theme_frame": "AutumnFramedH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Autumn Framed",
  "manifest_version": 2,
  "description": "A photo I took of fall leaves and set into a frame. fall, leaves, color, framed, sunflowers I have a desktop wallpaper to match at: <a href=\"https://outgoing.prod.mozaws.net/v1/ca2f5e734a9a3654a393934c57bd0353d7e6d156fd68d50965b5ae7aead4f89c/http%3A//nature.desktopnexus.com/wallpaper/473902/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/473902/</a>"
}