Examine source code of Christmas Gift Box

{
  "name": "Christmas Gift Box",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Thiết kế chưa có tên (4).png"
    },
    "colors": {
      "frame": "rgba(255, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 0, 0, 0.37)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(255, 0, 0, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4b600ea8-e940-48ee-a6f2-0c9001b93e2d}"
    }
  }
}