Examine source code of Grinder

{
  "theme": {
    "images": {
      "theme_frame": "top.jpg"
    },
    "colors": {
      "frame": "#572b0b",
      "tab_background_text": "#bfbfbf"
    }
  },
  "version": "2.0",
  "name": "Grinder",
  "manifest_version": 2,
  "description": "This is a Persona that I made from a Wikipedia image of a bench grinder. The image was taken by Wikipedia user \"Noodle Snacks\" and he shared the image under the Creative Commons Attribution ShareAlike 3.0 License. \nThe original image is found here: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/3b7bd1f2072bd2185bf2de646649a458eb459e086f5dbfa568a85bfe5c2f036a/http%3A//en.wikipedia.org/wiki/File%3ABench_Grinder_Brush_1.jpg\">http://en.wikipedia.org/wiki/File:Bench_Grinder_Brush_1.jpg</a>"
}