Examine source code of Birds Blue Moon

{
  "theme": {
    "images": {
      "theme_frame": "BirdsBlueMoonHCustom.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Birds Blue Moon",
  "manifest_version": 2,
  "description": "full moon, sky, winter, tree, stars, birds, geese. light, My matching wallpaper can be found at: <a href=\"https://outgoing.prod.mozaws.net/v1/641fedb990aadc13bece76aaf609512529b99e59c4b0fead51a0d21c8176e004/http%3A//nature.desktopnexus.com/wallpaper/604742/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/604742/</a>"
}