Examine source code of Rivendell Fortress

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  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(232, 233, 235, 0)",
      "tab_background_text": "#ffffff",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 3, 3, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(182, 186, 126, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{022e205e-b025-49f7-bcdb-fb67db58310e}"
    }
  }
}