Examine source code of Guinness Stout 2

{
  "theme": {
    "images": {
      "theme_frame": "guinessdone.jpg"
    },
    "colors": {
      "frame": "#915d1d",
      "tab_background_text": "#f2d2c4"
    }
  },
  "version": "2.0",
  "name": "Guinness Stout 2",
  "manifest_version": 2,
  "description": "Guinessss, Guinness Guiness"
}