Examine source code of Brklyn Bridge

{
  "theme": {
    "images": {
      "theme_frame": "Pont_de_Brooklyn_de_nuit_-_Octobre_2008_editcopy.jpg"
    },
    "colors": {
      "frame": "#f7f4f4",
      "tab_background_text": "#bab1b1"
    }
  },
  "version": "2.0",
  "name": "Brklyn Bridge",
  "manifest_version": 2,
  "description": "Adapted from the picture \"Pont de Brooklyn de nuit\" by Wikimedia Commons user Martin St-Amant (S23678), 12 October 2008, used pursuant to Creative Commons Attribution 3.0 Unported License."
}