Examine source code of Autumn Music

{
  "name": "Autumn Music",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "MusicofAutumnH3.jpg"
    },
    "colors": {
      "frame": "rgba(207, 188, 118, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(207, 189, 116, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(207, 189, 116, 0.05)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ca36ccac-6a4f-4a11-a4a4-da8f518fe823}"
    }
  }
}