Examine source code of Butterfly Art

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Butterfly Art",
  "manifest_version": 2,
  "description": "My wallpaper to match is at: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/e5a6a7c12042faf37df2f600df35e73c7d322275689df329e662c67d23296506/https%3A//animals.desktopnexus.com/wallpaper/2159448/\">https://animals.desktopnexus.com/wallpaper/2159448/</a>"
}