Examine source code of blur anything

{
  "manifest_version": 2,
  "name": "blur",
  "version": "1.1.2",
  "description": "Blur / unblur anything on a website via CTRL + Right Click",
  "developer": {
    "name": "Patrick Hähn",
    "url": "https://haehn.eu"
  },
  "icons": {
    "48": "icons/blur48.png",
    "96": "icons/blur96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "blur.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5f99ffac-7ddf-427e-8d4c-50c1218da421}"
    }
  }
}