Examine source code of new-ons

{
  "name": "new-ons",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "hader.jpg"
    },
    "colors": {
      "frame": "rgba(0, 77, 255, 1)",
      "tab_background_text": "rgba(3, 3, 3, 1)",
      "bookmark_text": "rgba(133, 133, 133, 1)",
      "toolbar_field": "rgba(225, 227, 154, 1)",
      "toolbar_field_text": "rgba(79, 69, 69, 1)",
      "tab_line": "rgba(54, 53, 53, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0c8bf5ad-a75a-4607-a8f8-5a154b3ca1fb}"
    }
  }
}