Examine source code of GooFox

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "GooFox",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(53, 54, 58)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(32, 33, 36)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(32, 33, 36)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(53, 54, 58)",
      "popup": "rgb(32, 33, 36)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(32, 33, 36)",
      "popup_highlight": "rgb(32, 33, 36)",
      "toolbar_field_border_focus": "rgb(32, 33, 36)",
      "toolbar_field_highlight": "rgb(61, 89, 122)",
      "tab_loading": "rgb(53, 54, 58)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f494afbe-2c7f-4a62-8a31-220a99e1ce9b}"
    }
  }
}