Examine source code of Grapes for Wine

{
  "theme": {
    "images": {
      "theme_frame": "GrapesforWineHCustom.jpg"
    },
    "colors": {
      "frame": "#660033",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Grapes for Wine",
  "manifest_version": 2,
  "description": "harvest,  autumn, champagne, drink, fall, fruit, grapes, health, leaves, pick, ripe, summer, vineyard, wine, winery\t\n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/8ab779a89abb96236b173a922a5d20217b19eb382bea8d9ad46770267f5b15ac/http%3A//nature.desktopnexus.com/wallpaper/1137702/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/1137702/</a>"
}