Examine source code of Autumn Fall by MaDonna

{
  "name": "Autumn Fall by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "fallH.jpg"
    },
    "colors": {
      "frame": "rgba(166, 136, 53, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(166, 137, 51, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(166, 137, 51, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd3dd9a5-eda4-4ca0-810e-97af228bee64}"
    }
  }
}