Examine source code of Fly Pretty

{
  "theme": {
    "images": {
      "theme_frame": "FlyPrettyFlyH.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Fly Pretty",
  "manifest_version": 2,
  "description": "green, butterfly, fly, swirls, abstract, nature,\nsummer, spring\nThank you, Ivy. <a href=\"https://outgoing.prod.mozaws.net/v1/e6e7bb227553ff957d75c4a542999abeb1ffff37b9e3a537e431137e11796732/http%3A//ivysgraphics.topcities.com/\" rel=\"nofollow\">http://ivysgraphics.topcities.com/</a>"
}