Examine source code of Moms Sewing Nook

{
  "name": "Moms Sewing Nook",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "NanasSewingNookH.jpg"
    },
    "colors": {
      "frame": "rgba(212, 188, 146, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(212, 187, 144, 0.06)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{131ebaca-1b64-498b-a010-b90c7dfd851f}"
    }
  }
}