Examine source code of Green williwogs

{
  "theme": {
    "images": {
      "theme_frame": "GreenWilliwogs.jpg"
    },
    "colors": {
      "frame": "#aaaba6",
      "tab_background_text": "#f1f7bc"
    }
  },
  "version": "2.0",
  "name": "Green williwogs",
  "manifest_version": 2,
  "description": "Green williwogs"
}