Examine source code of Roger is Jolly

{
  "theme": {
    "images": {
      "theme_frame": "Piracy.jpg"
    },
    "colors": {
      "frame": "#ababab",
      "tab_background_text": "#ababab"
    }
  },
  "version": "2.0",
  "name": "Roger is Jolly",
  "manifest_version": 2,
  "description": "Just a piratey persona"
}