Examine source code of Dray Nur waterfall

{
  "name": "Dray Nur waterfall",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Thiết kế chưa có tên (23).png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5523e4d0-2b55-4657-bb53-7d16442b2ad1}"
    }
  }
}