Examine source code of Wrapping Machine

{
  "name": "Dragon",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1000013914.jpg"
    },
    "colors": {
      "frame": "rgba(232, 237, 247, 1)",
      "tab_background_text": "rgba(41, 14, 14, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4df77ae7-c0bd-450c-b5d3-2c0c0db90fb2}"
    }
  }
}