Examine source code of Transformers Animated

{
  "name": "Transformers Animated",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Transformers Animated FireFox Frame.jpg"
    },
    "colors": {
      "frame": "rgba(250, 5, 46, 1)",
      "tab_background_text": "rgba(242, 223, 223, 1)",
      "toolbar": "rgba(204, 0, 10, 1)",
      "bookmark_text": "rgba(242, 223, 223, 1)",
      "toolbar_field": "rgba(6, 53, 194, 1)",
      "toolbar_field_text": "rgba(98, 155, 224, 1)",
      "tab_line": "rgba(245, 90, 90, 1)"
    }
  }
}