Examine source code of Google Data Center

{
  "theme": {
    "images": {
      "theme_frame": "GoogleDataCenter.jpg"
    },
    "colors": {
      "frame": "#bfbfbf",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Google Data Center",
  "manifest_version": 2,
  "description": "This image was created by Vlad Gerasimov called GoogleDataCenter.  Please see his website for the matching background.  <a href=\"https://outgoing.prod.mozaws.net/v1/1ef681eba8f0c7aaa867a645d964d7059c90f29a62eb36401cfe100d7566f3df/http%3A//wwwvladstudio.com\" rel=\"nofollow\">http://wwwvladstudio.com</a>"
}