Examine source code of Storm at Sea by MaDonna

{
  "name": "Storm at Sea by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(26, 26, 26, 0.99)",
      "tab_background_text": "rgba(245, 245, 235, 1)",
      "toolbar": "rgba(23, 23, 23, 0)",
      "bookmark_text": "rgba(245, 245, 235, 1)",
      "toolbar_field": "rgba(23, 23, 23, 0.07)",
      "toolbar_field_text": "rgba(245, 245, 235, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bf3ef084-e561-486a-8c26-49cce8e03f6d}"
    }
  }
}