Kahoot, Quicker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Kahoot, Quicker",
  "description": "Play Kahoot, Quicker",
  "version": "4.1",
  "author": "Arlen Yu",
  "browser_action": {
    "default_title": "Kahoot, Quicker",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://kahoot.it/*"
      ],
      "js": [
        "js/kahoot.js"
      ]
    }
  ]
}