Examine source code of Summer Trio

{
  "theme": {
    "images": {
      "theme_frame": "SummerTrioH.jpg"
    },
    "colors": {
      "frame": "#09ba8e",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Summer Trio",
  "manifest_version": 2,
  "description": "bird, bird cage, bow, bucket, cat, cats, cuddly, cute, fleurs, flowers, grass, kitten, kittens, kitties, kitty, leaves, ribbon, spring, summer, sweet, lady bug, \n\nDesigned by MaDonna\n\nMy wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/acc06b3c514abc6ac5907f2bede05481bd9b97f57ac60ca6f60844f3d0f6f79d/http%3A//animals.desktopnexus.com/wallpaper/1148338/\" rel=\"nofollow\">http://animals.desktopnexus.com/wallpaper/1148338/</a>"
}