Examine source code of john lennon I

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    "images": {
      "theme_frame": "1john-lennon1.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
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  },
  "version": "2.0",
  "name": "john lennon I",
  "manifest_version": 2,
  "description": "John Lennon - The Beatles"
}