Examine source code of Pirate Revolution

{
  "theme": {
    "images": {
      "theme_frame": "Skullnboneshead.jpg"
    },
    "colors": {
      "frame": "#a6a3a3",
      "tab_background_text": "#f7f2f2"
    }
  },
  "version": "2.0",
  "name": "Pirate Revolution",
  "manifest_version": 2,
  "description": "Skull 'n' bones persona on almost black background with white text.\nEnjoy and all the best.\nDay."
}