Examine source code of Towers Revisited

{
  "theme": {
    "images": {
      "theme_frame": "TowersRevisitedHDR.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#fbff00"
    }
  },
  "version": "2.0",
  "name": "Towers Revisited",
  "manifest_version": 2,
  "description": "Towers of the V. River (look it up) in Zion National Park, Utah.  Prints available at <a href=\"https://outgoing.prod.mozaws.net/v1/29fe3a8b116ebb2bd07c31fca5631b242141878c4056a03ca19ef8764b4de11d/http%3A//www.VoorheesArt.com\" rel=\"nofollow\">www.VoorheesArt.com</a>"
}