Examine source code of Theresa Problem

{
  "manifest_version": 2,
  "name": "Theresa Problem",
  "version": "2.1resigned1",
  "description": "Rewrites news content to include Theresa May and Brexit puns. It's too depressing to read otherwise.",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-48.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.bbc.co.uk/news*",
        "*://*.theguardian.com/*",
        "*://*.independent.co.uk/*"
      ],
      "js": [
        "theresa-problem.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{444ab4ef-dec9-4506-8c40-f679c6275267}"
    }
  }
}