Super Serious Widget for Amazon Sellers

manifest.json

{
  "browser_action": {
    "default_title": "Super Serious Seller"
  },
  "background": {
    "scripts": [
      "jquery-3.3.1.min.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "css/MYmaterialize.css"
      ],
      "js": [
        "jquery-3.3.1.min.js",
        "content.js"
      ],
      "matches": [
        "*://*.amazon.com/*"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' https://cdnjs.cloudflare.com; object-src 'self'",
  "description": "Brings inventory, returns, orders, sales rank, rank and price history, fees calculator and much more to every Amazon product page.",
  "icons": {
    "48": "s3-48.png",
    "128": "s3-128.png"
  },
  "manifest_version": 2,
  "name": "Super Serious Widget for Amazon Sellers",
  "permissions": [
    "<all_urls>",
    "*://*.amazon.com/*"
  ],
  "short_name": "Super Serious Seller",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "2.2",
  "web_accessible_resources": [
    "*"
  ]
}