Examine source code of minipage

{
  "manifest_version": 2,
  "name": "minipage",
  "version": "1.0",
  "description": "Merge requests to reduce a lot of page",
  "icons": {
    "48": "icons/48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.xiurenb.vip/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e8c6f7fd-22c3-4fb3-9a07-bd1a6ca60b37}"
    }
  }
}