web style setting

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "web style setting",
  "description": "Modify the style of Chinese characters in the webpage, which can realize the font color, size, background color and other styles。",
  "version": "1.0.0",
  "action": {
    "default_title": "web style setting",
    "default_icon": "assets/images/icon-48.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "background": {
    "service_worker": "js/background.js",
    "type": "module"
  },
  "icons": {
    "16": "assets/images/icon-16.png",
    "32": "assets/images/icon-32.png",
    "48": "assets/images/icon-48.png",
    "128": "assets/images/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ]
}