Examine source code of Winner01

{
  "name": "Forest",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "shutterstock_93257236.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(204, 29, 29, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(145, 65, 179, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{316740fa-0d64-4910-8739-e9b9979f4bde}"
    }
  }
}