Examine source code of Easter Bears

{
  "theme": {
    "images": {
      "theme_frame": "EasterBearsH1Custom.jpg"
    },
    "colors": {
      "frame": "#050505",
      "tab_background_text": "#050505"
    }
  },
  "version": "2.0",
  "name": "Easter Bears",
  "manifest_version": 2,
  "description": "Easter bunny, rabbit, bears, flowers, spring, grass, sky, baskets, sunflowers, daffodils, My wallpaper that matches can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/0d5a847b21e275e11ffbdd76df77ca32386ef4d4916a0f25c5a81042f358609b/http%3A//nature.desktopnexus.com/wallpaper/643819/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/643819/</a>"
}