Examine source code of Zbot+ Panel

{
  "name": "Zbot+ Panel",
  "manifest_version": 2,
  "description": "An Animation Throwdown tool to help you win",
  "version": "0.82",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "page_action": {
    "default_icon": "icon16.png",
    "default_title": "Zbot+ Panel",
    "show_matches": [
      "*://*.kongregate.com/*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.kongregate.com/*",
        "*://*.synapse-games.com/*"
      ],
      "all_frames": true,
      "js": [
        "script.js"
      ]
    }
  ],
  "permissions": [
    "cookies",
    "*://*.kongregate.com/*",
    "activeTab"
  ]
}