Examine source code of Double Entry

{
  "theme": {
    "images": {
      "theme_frame": "DE-persona-top.png"
    },
    "colors": {
      "frame": "#090b96",
      "tab_background_text": "#0bdbd8"
    }
  },
  "version": "2.0",
  "name": "Double Entry",
  "manifest_version": 2,
  "description": "Double Entry is a romance novel about atonement, forgiveness and rebuilding a broken family, by Quan Williams.\nLook it up at <a href=\"https://outgoing.prod.mozaws.net/v1/3942d0e715fe8590d7c9f39faf36046eba33fc5633051ed714780447ee35c07e/http%3A//www.redrosepublishing.com\" rel=\"nofollow\">www.redrosepublishing.com</a>, and download it!"
}