Examine source code of RamoT（ラモート）

{
  "name": "RamoT",
  "description": "RamoT - Remove autenticated marks on Twitter!",
  "version": "0.0.1",
  "manifest_version": 2,
  "homepage_url": "https://ganohr.net/blog/ramot",
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*",
        "https://mobile.twitter.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icon-16x16.png",
    "32": "icon-32x32.png",
    "64": "icon-64x64.png",
    "128": "icon-128x128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{636c2c0c-6b6f-4120-8753-168e028db8b5}"
    }
  }
}