Examine source code of Fortifications

{
  "theme": {
    "images": {
      "theme_frame": "BrickWall.jpg"
    },
    "colors": {
      "frame": "#080000",
      "tab_background_text": "#0a0101"
    }
  },
  "version": "2.0",
  "name": "Fortifications",
  "manifest_version": 2,
  "description": "Information is the oxygen of the modern age. It seeps through walls topped by barbed wire; it wafts across electrified borders.~President Ronald Reagan\n\nTAGS:\n     Bricks, Walls, Patterns, Textures, Grey, Castles"
}