Examine source code of S1 Beautify 论坛字体图片美化

{
  "manifest_version": 2,
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "s1beautify@abyteahead"
    }
  },
  "name": "S1 Beautify 论坛字体图片美化",
  "short_name": "S1 Beautify",
  "version": "1.1.1",
  "description": "S1 论坛适用: 扩大帖文字体，规整图片大小",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.saraba1st.com/*"
      ],
      "js": [
        "common.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}