Examine source code of Purple & White

{
  "theme": {
    "images": {
      "theme_frame": "Circles-Header.jpg"
    },
    "colors": {
      "frame": "#ffccff",
      "tab_background_text": "#663366"
    }
  },
  "version": "2.0",
  "name": "Purple & White",
  "manifest_version": 2,
  "description": "Matching wallpaper here <a href=\"https://outgoing.prod.mozaws.net/v1/349c055e4db53b20e19c86b5de53cc27d7d27e880b7603d3cc932f98052f3e0c/http%3A//wallpaperswide.com/purple_circles-wallpapers.html\" rel=\"nofollow\">http://wallpaperswide.com/purple_circles-wallpapers.html</a>"
}