Examine source code of Fractal

{
  "name": "Fractal",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Fractal.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 230, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(54, 242, 44, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{39be550c-8726-4a31-ab18-3a4f25daddeb}"
    }
  }
}