Examine source code of Kyoto Moss

{
  "theme": {
    "images": {
      "theme_frame": "kyotomoss_header.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Kyoto Moss",
  "manifest_version": 2,
  "description": "Taken from a photo of the moss garden inside a sacred temple in Kyoto, Japan.  Will fill you with serene thoughts.\n\nOriginal picture here: <a href=\"https://outgoing.prod.mozaws.net/v1/5d0d1ab8b165ae59f5d3ca666c2423effb5998fe4c69fe3a1db737f176b3e468/http%3A//www.flickr.com/photos/gserafini/30847108/\" rel=\"nofollow\">http://www.flickr.com/photos/gserafini/30847108/</a>"
}