Examine source code of Austria, Mountain, Snow

{
  "name": "Stones, Crystal, Gem",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Thiết kế chưa có tên.jpg"
    },
    "colors": {
      "frame": "rgba(225, 237, 237, 1)",
      "tab_background_text": "rgba(0, 255, 251, 1)",
      "toolbar": "rgba(245, 235, 235, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1e4331dd-163d-46a0-93e1-e0a10079da3b}"
    }
  }
}