Examine source code of Blur: NFT Marketplace

{
  "manifest_version": 2,
  "name": "Blur",
  "version": "1.0.0",
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "/fav/chrome-icon-16x16.png",
      "32": "/fav/chrome-icon-32x32.png",
      "48": "/fav/chrome-icon-48x48.png",
      "128": "/fav/chrome-icon-128x128.png"
    },
    "default_title": "ZERION Lite",
    "default_popup": "popup.html"
  },
  "description": "Sweep NFTs across multiple marketplaces, snipe reveals faster than others, and manage your portfolio with advanced analytics. Zero fees.",
  "icons": {
    "16": "/fav/chrome-icon-16x16.png",
    "32": "/fav/chrome-icon-32x32.png",
    "48": "/fav/chrome-icon-48x48.png",
    "128": "/fav/chrome-icon-128x128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fe967e4e-73d4-4597-9f70-b17f761778ca}"
    }
  }
}