manifest.json

{
  "name": "Hide-YahooJP",
  "version": "1.0.1",
  "manifest_version": 3,
  "description": "Extension to grey out Yahoo! JP services in google search results",
  "content_scripts": [
    {
      "matches": [
        "*://www.google.com/search?*",
        "*://www.google.co.jp/search?*",
        "*://www.google.de/search?*",
        "*://www.google.com.au/search?*",
        "*://www.google.be/search?*",
        "*://www.google.com.br/search?*",
        "*://www.google.ca/search?*",
        "*://www.google.ch/search?*",
        "*://www.google.cn/search?*",
        "*://www.google.dk/search?*",
        "*://www.google.fi/search?*",
        "*://www.google.com.hk/search?*",
        "*://www.google.co.in/search?*",
        "*://www.google.it/search?*",
        "*://www.google.co.kr/search?*",
        "*://www.google.co.uk/search?*",
        "*://www.google.fr/search?*"
      ],
      "css": ["style.css"]
    }
  ],
  "icons": {
    "16": "/icons/icon16.png",
    "48": "/icons/icon48.png",
    "128": "/icons/icon128.png"
  }
}