Examine source code of PB Comments Plugin

{
  "manifest_version": 2,
  "name": "PB Comments Plugin",
  "description": "This extension improves the usability of comments on Crikey's Poll Bludger blog.",
  "version": "0.8.15",
  "icons": {
    "16": "icon-red-16.png",
    "32": "icon-red-32.png",
    "48": "icon-red-48.png",
    "128": "icon-red-128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icon-red-16.png",
      "24": "icon-red-24.png",
      "32": "icon-red-32.png"
    },
    "default_popup": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.pollbludger.net/*"
      ],
      "css": [],
      "js": [
        "jquery-3.2.0.js",
        "inject.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "fixComments.js",
    "colorbox.js"
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}