Examine source code of Flexible Packaging

{
  "name": "Wall Painting",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "1000059308.jpg"
    },
    "colors": {
      "frame": "rgba(150, 153, 161, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6b0882b1-ac80-4bde-970d-cc8a85257652}"
    }
  }
}