Examine source code of Hanzisize

{
  "name": "Hanzisize",
  "version": "0.2.7",
  "description": "Selectively enlarge text of a specific language",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "commands": {
    "resize": {
      "suggested_key": {
        "default": "Shift+Alt+Q"
      },
      "description": "Resize w/ saved settings"
    },
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Shift+Alt+W"
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Hanzisize",
    "default_icon": "icons/icon16.png"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "offline_enabled": true,
  "manifest_version": 2
}