Examine source code of LA City Skyline

{
  "theme": {
    "images": {
      "theme_frame": "LACitySkyline01h.jpg"
    },
    "colors": {
      "frame": "#00458f",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "LA City Skyline",
  "manifest_version": 2,
  "description": "LA City Skyline, CA - original photo:  <a href=\"https://outgoing.prod.mozaws.net/v1/bf41c1fe2ddfae33e261addd9858a0e4a4b13934a8e6f010273250b5eff603b2/http%3A//jellinn.zenfolio.com/p187286960/h52c0d63%23h52c0d63\" rel=\"nofollow\">http://jellinn.zenfolio.com/p187286960/h52c0d63#h52c0d63</a>"
}