Examine source code of Tor Light

{
  "name": "Tor Light",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Progetto senza titolo(2).png"
    },
    "colors": {
      "frame": "rgba(129, 23, 182, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(197, 123, 227, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(213, 188, 224, 1)",
      "toolbar_field_text": "rgba(60, 60, 60, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7f7219e-3eec-4d91-b987-57a165ad12f0}"
    }
  }
}