Examine source code of Click to Remove Element

{
  "name": "Click to Remove Element",
  "version": "3.1.5",
  "manifest_version": 3,
  "description": "Remove annoying elements with a single click",
  "browser_specific_settings": {
    "gecko": {
      "id": "ctre@blade.com",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icons/action_inactive.png",
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "action": {
    "default_icon": "icons/action_inactive.png"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "windows": "Alt+X",
        "mac": "Command+Alt+X",
        "chromeos": "Alt+X",
        "linux": "Alt+X"
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": false,
      "js": [
        "ctre_content.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content.css"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "incognito": "spanning"
}