Examine source code of Scaramouche

{
  "name": "Scaramouche",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "k47sGxXM9MrzyiykZDmo8F-1200-80.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(228, 212, 255, 1)",
      "toolbar": "rgba(143, 31, 38, 1)",
      "bookmark_text": "rgba(68, 13, 107, 1)",
      "toolbar_field": "rgba(179, 22, 22, 1)",
      "toolbar_field_text": "rgba(134, 58, 179, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{48b9e33e-f4ae-4e83-9075-7a113821162c}"
    }
  }
}