Examine source code of Frutiger Aero Winter

{
  "name": "Frutiger Aero Winter",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Frutiger Aero Winter.png"
    },
    "colors": {
      "frame": "rgba(135, 193, 226, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(21, 131, 208, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2812f785-1dcb-4007-8a61-c94571ba3b63}"
    }
  }
}