Examine source code of Autumn Awesome by MaDonna

{
  "name": "Autumn Awesome by MaDonna",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "AutumnAwesomeH.jpg"
    },
    "colors": {
      "frame": "rgba(240, 232, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(240, 231, 231, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(240, 231, 231, 0.05)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{86351615-7a65-4e2e-b7cc-41fbb3970e6a}"
    }
  }
}