Examine source code of SEI-SPOTTER

{
  "description": "Spotter, shedding light on fake news",
  "homepage_url": "https://sei.it/",
  "manifest_version": 2,
  "name": "SPOTTER",
  "version": "1.15",
  "icons": {
    "48": "icons/artificial-intelligence.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/*"
      ],
      "js": [
        "borderdrawing.js"
      ]
    }
  ],
  "browser_action": {
    "browser_style": true,
    "default_title": "SPOTTER",
    "default_popup": "window.html",
    "default_icon": {
      "19": "icons/artificial-intelligence.png",
      "38": "icons/artificial-intelligence.png"
    }
  }
}