Examine source code of Flower photo

{
  "theme": {
    "images": {
      "theme_frame": "flower1.jpg"
    },
    "colors": {
      "frame": "#4a0909",
      "tab_background_text": "#f2b8b8"
    }
  },
  "version": "2.0",
  "name": "Flower photo",
  "manifest_version": 2,
  "description": "Beautiful flower, this reddish ruby red flower is beautiful, once again by John-Marc Grob. <a href=\"https://outgoing.prod.mozaws.net/v1/32bf72f1d758d5d377177773c142aa6a7f670dc24ac270bf970655cdf7e1091d/http%3A//www.jmgstudio.net\" rel=\"nofollow\">www.jmgstudio.net</a>"
}