Background Randomizer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "icons": {
    "128": "icons/icon_128.png"
  },
  "name": "Background Randomizer",
  "version": "1.1.0",
  "description": "Random Background modes : Dark mode , Color mode Layout mode",
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'",
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/icon_128.png",
    "default_popup": "html/popup.html"
  },
  "web_accessible_resources": [
    "js/content.js",
    "css/content.css"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/content.css"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "<all_urls>"
  ]
}