Examine source code of Autumn Falling by MaDonna

{
  "name": "Autumn  Falling by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(43, 19, 23, 1)",
      "tab_background_text": "rgba(245, 227, 226, 1)",
      "toolbar": "rgba(43, 19, 23, 0)",
      "bookmark_text": "rgba(245, 227, 226, 1)",
      "toolbar_field": "rgba(43, 19, 23, 0.07)",
      "toolbar_field_text": "rgba(245, 227, 226, 1)",
      "tab_line": "rgba(245, 227, 226, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b6667f6d-bb30-4457-b160-2c3b582d5fa4}"
    }
  }
}