Examine source code of Ayaka New Tab Background

{
  "manifest_version": 2,
  "name": "Ayaka New Tab Wallpaper",
  "version": "1.0",
  "description": "A completely different new tab opening experience, inspired by Ayaka from Genshin Impact.",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "58.0",
      "id": "{a9e33b48-ef0b-4aa8-8f39-390857adb9f7}"
    }
  }
}