Holiday seasons background pictures new tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": "holidayPic.png"
  },
  "manifest_version": 3,
  "name": "Holiday seasons background pictures new tab",
  "version": "1.0.4",
  "description": "It shows holiday season background images on open every new tab.",
  "permissions": [
    "cookies",
    "storage"
  ],
  "host_permissions": [
    "*://holidayseasonsnewtab.com/",
    "*://*.holidayseasonsnewtab.com/"
  ],
  "chrome_url_overrides": {
    "newtab": "holidayBg.html"
  },
  "icons": {
    "16": "holidayPic.png",
    "48": "holidayPic.png",
    "128": "holidayPic.png"
  }
}