Examine source code of InTab

{
  "manifest_version": 2,
  "name": "InTab - Style Websites Faster",
  "version": "2.9.7",
  "homepage_url": "https://intab.io",
  "description": "Visually Style Any Website In Any Browser",
  "icons": {
    "16": "asset/icon/icon16-b79dec42b9.png",
    "24": "asset/icon/icon24-59a144b68a.png",
    "32": "asset/icon/icon32-c9adbb6137.png",
    "48": "asset/icon/icon48-49d2b1e943.png",
    "128": "asset/icon/icon128-f779a20e37.png"
  },
  "browser_action": {
    "default_title": "InTab",
    "default_icon": {
      "19": "asset/icon/icon19-47a63f3e59.png",
      "24": "asset/icon/icon24-59a144b68a.png",
      "38": "asset/icon/icon38-9c356bd0f6.png"
    }
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Z"
      }
    }
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "browsingData",
    "contextMenus",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "./poly-5119552852.js",
      "./back-08397916a9.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*",
        "file://*/*"
      ],
      "js": [
        "./poly-5119552852.js",
        "./context-f84dfc8839.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "*/*"
  ]
}