Examine source code of Lakeside view

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_LABS.jpg"
    },
    "colors": {
      "frame": "#232323",
      "tab_background_text": "#33ff33"
    }
  },
  "version": "2.0",
  "name": "Lakeside view",
  "manifest_version": 2,
  "description": "Created from a panaroma image i took at a dam close to Passau/Germany. <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/bdc892baa5e0081417c2e79ad970bb174a8387c600e81255bbb9f25575b43be9/http%3A//www.bonoseo.com\">http://www.bonoseo.com</a>"
}