Examine source code of Winters Bears

{
  "theme": {
    "images": {
      "theme_frame": "WintersBearsHCustom.jpg"
    },
    "colors": {
      "frame": "#0033ff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Winters Bears",
  "manifest_version": 2,
  "description": "Alaska, babies, Christmas, cub, family, love,  mama, mother,  north country, playful, polar bears, sky, snow, snowing, stars, trees, white bears My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/168a3ae4c8321c560075bbfc770536e3c7cda61c1e7c2bc78bc19eeeb8a72313/http%3A//animals.desktopnexus.com/wallpaper/874937/\" rel=\"nofollow\">http://animals.desktopnexus.com/wallpaper/874937/</a>"
}