Examine source code of BlBlur Removerur Remover

{
  "manifest_version": 2,
  "name": "Blur Remover",
  "version": "1.0.0",
  "description": "One-click removal of all CSS blur effects on any page. Instantly unblur images and text hidden behind CSS blur filters.",
  "icons": {
    "48": "icons/icon-off.svg"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-off.svg"
    },
    "default_title": "Blur Remover — Click to remove blurs"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "blur-remover@nedie.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}