Examine source code of Piano Concerto

{
  "theme": {
    "images": {
      "theme_frame": "PianoConcertoHCustom.jpg"
    },
    "colors": {
      "frame": "#999966",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Piano Concerto",
  "manifest_version": 2,
  "description": "keyboard, poppies, Forever key, flowers, butterfly, grunge, music, abstract, My wallpaper to match can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/c914998bab8f0533aaf5dbc9f7399f58cb156e0fe18e4afdce0ba69625e58683/http%3A//abstract.desktopnexus.com/wallpaper/767938/\" rel=\"nofollow\">http://abstract.desktopnexus.com/wallpaper/767938/</a>"
}