Examine source code of Austria Wien FK

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      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(52, 23, 92)",
      "tab_background_text": "rgb(255, 255, 255)",
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      "toolbar_field_text": "rgb(52, 23, 92)",
      "tab_line": "rgb(174, 154, 99)",
      "popup": "rgb(174, 154, 99)",
      "popup_text": "rgb(52, 23, 92)",
      "ntp_background": "rgb(232, 221, 248)",
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      "toolbar_field_highlight_text": "rgb(0, 0, 0)",
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  },
  "browser_specific_settings": {
    "gecko": {
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