Examine source code of Charming Winter

{
  "name": "Charming Winter",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "anime walpaper  (4).png"
    },
    "colors": {
      "frame": "rgba(28, 28, 28, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(110, 130, 175, 0.4)",
      "bookmark_text": "rgba(12, 15, 25, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.6)",
      "toolbar_field_text": "rgba(230, 245, 250, 1)",
      "tab_line": "rgba(3, 3, 3, 0.8)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b163dc8b-d226-4fd5-b5ee-89a692848067}"
    }
  }
}