Examine source code of Element Hider Pro

{
  "manifest_version": 3,
  "name": "Element Hider Pro",
  "version": "3.0.6",
  "description": "Visually select and hide, randomize, or blur page elements with themeable controls, undo support, per-site toggles, and a unified dashboard.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{b919d9eb-b93b-44af-9129-8995a47d75cc}"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs",
    "webNavigation"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Element Hider Pro",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "dashboard.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "scripts/shared.js",
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "scripts/shared.js",
        "scripts/content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "toggle-hide-mode": {
      "suggested_key": {
        "default": "Alt+H"
      },
      "description": "Activate hide element mode"
    },
    "toggle-randomize-mode": {
      "suggested_key": {
        "default": "Alt+R"
      },
      "description": "Activate text randomization mode"
    },
    "toggle-blur-mode": {
      "suggested_key": {
        "default": "Alt+B"
      },
      "description": "Activate blur element mode"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}