Examine source code of Autumn Winds

{
  "name": "Autumn  Winds",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(18, 1, 0, 1)",
      "tab_background_text": "rgba(242, 238, 179, 1)",
      "toolbar": "rgba(8, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(8, 0, 0, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec0353c6-9dbe-42eb-addf-f3f6e0bf99cd}"
    }
  }
}