Better Cardmarket (MTG) unofficial

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Better Cardmarket (MTG) unofficial",
  "version": "0.0.3",
  "manifest_version": 2,
  "description": "optimizing function and design of cardmarket.com",
  "icons": {
    "16": "icons/icon-16.png",
    "128": "icons/icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "tabs",
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.cardmarket.com/*",
        "https://magiccards.info/*"
      ],
      "js": [
        "scripts/lib/jquery-3.3.1.min.js",
        "scripts/cardmarket.js"
      ],
      "css": [
        "styles/cardmarket.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    },
    {
      "matches": [
        "https://magiccards.info/*"
      ],
      "js": [
        "scripts/lib/jquery-3.3.1.min.js",
        "scripts/magiccardsinfo.js"
      ],
      "css": [
        "styles/magiccardsinfo.css"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ]
}