Examine source code of ruby patchwork

{
  "name": "ruby patchwork",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Patchwork Flower,floral Cotton Fabric By Half Yard.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(163, 29, 29, 1)",
      "toolbar": "rgba(199, 36, 36, 0.78)",
      "bookmark_text": "rgba(247, 198, 198, 1)",
      "toolbar_field": "rgba(255, 250, 250, 0.84)",
      "toolbar_field_text": "rgba(163, 29, 29, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{eb1fda23-86a0-4b9e-a2f5-2788fc4ab22c}"
    }
  }
}