Examine source code of Fantasy by M♥Donna

{
  "name": "Fantasy by M♥Donna",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Fantasy Header 3.jpg"
    },
    "colors": {
      "frame": "rgba(3, 13, 148, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(3, 13, 148, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 13, 148, 0.09)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{020c1836-0371-4bd5-b066-7a8bfda0450a}"
    }
  }
}