Examine source code of FontsReplacer

{
  "author": "Hed",
  "content_scripts": [
    {
      "all_frames": true,
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/css.css"
      ],
      "exclude_matches": [
        "https://read.qidian.com/chapter/*",
        "http://read.qidian.com/chapter/*",
        "https://book.km.com/chapter/*",
        "http://book.km.com/chapter/*",
        "https://book.zongheng.com/*",
        "http://book.zongheng.com/*",
        "https://*.shuhai.com/read/*",
        "http://*.shuhai.com/read/*",
        "https://*.xxsy.net/chapter/*",
        "http://*.xxsy.net/chapter/*"
      ]
    }
  ],
  "description": "置換中文字體，改善顯示效果。",
  "manifest_version": 2,
  "name": "FontsReplacer",
  "version": "2021.10.11"
}