Examine source code of Green Mountain Camera

{
  "theme": {
    "images": {
      "theme_frame": "gmcamera_top.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Green Mountain Camera",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/55ec9b6dedfd82ee7b3952f7740b494306e0eb5ad76fe3dfdcb41f39860c118c/http%3A//gmcamera.com\" rel=\"nofollow\">gmcamera.com</a> shooting store logo Persona."
}