Examine source code of No Video Pause

{
  "manifest_version": 3,
  "name": "No Video Pause",
  "version": "1.0",
  "description": "Prevents videos from pausing when switching tabs.",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{43e71c19-cd0b-414b-8f08-15841024bb8b}",
      "strict_min_version": "58.0"
    }
  }
}