Examine source code of Autum Waterfall Theme

{
  "name": "Autum Waterfall Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "autum-waterfall.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 0)",
      "tab_background_text": "rgba(255, 180, 148, 1)",
      "toolbar": "rgba(181, 59, 22, 0.2)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 209, 173, 1)",
      "toolbar_field_text": "rgba(23, 23, 23, 1)",
      "tab_line": "rgba(194, 81, 81, 0.3)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1fd4b9cc-4ab7-4ac5-a54e-a0d87f8dfcf7}"
    }
  }
}