Christmasify 🎄 any Website!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Christmasify 🎄 any Website!",
  "version": "1.0",
  "description": "Adds a christmas theme to any website you visit including google, facebook youtube and more!",
  "permissions": [
    "activeTab",
    "declarativeContent",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "32": "images/icon32.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "web_accessible_resources": [
    "images/snow.png",
    "images/ornament0.png",
    "images/ornament1.png",
    "images/ornament2.png",
    "images/ornament3.png",
    "images/forest.png",
    "images/forest2.png"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "manifest_version": 2
}