Examine source code of A Winter Painting

{
  "theme": {
    "images": {
      "theme_frame": "AWinterPaintingH3Custom.jpg"
    },
    "colors": {
      "frame": "#99ccff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "A Winter Painting",
  "manifest_version": 2,
  "description": "children, Christmas, cold, elves, fairies, horse, house, lake, pond, sky, sleigh, snow, snowman, sunset, vintage, warm, winter \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/b94f06d426517e65b1c339f8ccd96ecde2fd4a4288dd0d23265fc7e183195e58/http%3A//nature.desktopnexus.com/wallpaper/956989/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/956989/</a>"
}