Examine source code of Bright Beautiful Blues

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#d1e8f6",
      "tab_background_text": "#051580"
    }
  },
  "version": "2.0",
  "name": "Bright Beautiful Blues",
  "manifest_version": 2,
  "description": "spring, clover, papillon, blooms, bright, blue, summer, lavender, fleurs, butterfly, blossoms, flowers\t\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/a8d0ce9227c154456aad550c6c111d72876b4c656f46c0cf7fa2592242abf93a/http%3A//nature.desktopnexus.com/wallpaper/1490852/\">http://nature.desktopnexus.com/wallpaper/1490852/</a>"
}