Examine source code of sparkling swirling

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      "toolbar": "rgba(255, 255, 255, 0.07)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.16)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
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  "browser_specific_settings": {
    "gecko": {
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