Examine source code of String Theory 1

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    "images": {
      "theme_frame": "stringTheory1_header.jpg"
    },
    "colors": {
      "frame": "#c2fff7",
      "tab_background_text": "#c2fff7"
    }
  },
  "version": "2.0",
  "name": "String Theory 1",
  "manifest_version": 2,
  "description": "One of my hand-mouse drawn graphics using the old Paint Shop Pro X (v1.2)... Don't forget to keep lookin for more 'String theory' and other abstract graphics..."
}