Examine source code of Microsoft edge green

{
  "name": "Microsoft edge green",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "pngimg.com - dot_PNG4.png"
    },
    "colors": {
      "frame": "rgba(44, 148, 63, 0.64)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(44, 128, 62, 0.64)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.79)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fc92904e-701c-4d99-95c5-d6bdc1fbabcb}"
    }
  }
}