Examine source code of Beyond the Veil

{
  "name": "Beyond the Veil",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Beyond the Veil.jpg"
    },
    "colors": {
      "frame": "rgba(74, 88, 120, 1)",
      "tab_background_text": "rgba(250, 250, 250, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a831c299-ead8-48f3-9ada-83c9fda294eb}"
    }
  }
}