Examine source code of Viking Deals

{
  "icons": {
    "16": "icon16.plasmo.2577fc03.png",
    "32": "icon32.plasmo.d583dc1e.png",
    "48": "icon48.plasmo.e0fcfb1d.png",
    "64": "icon64.plasmo.e6259081.png",
    "128": "icon128.plasmo.96a1ede9.png"
  },
  "manifest_version": 3,
  "action": {
    "default_icon": {
      "16": "icon16.plasmo.2577fc03.png",
      "32": "icon32.plasmo.d583dc1e.png",
      "48": "icon48.plasmo.e0fcfb1d.png",
      "64": "icon64.plasmo.e6259081.png",
      "128": "icon128.plasmo.96a1ede9.png"
    },
    "default_popup": "popup.html"
  },
  "version": "3.5.4",
  "author": "Mobile Vikings nv",
  "name": "Viking Deals",
  "description": "Viking Deals Browser Extension: Never forget to grab a Viking Deal!",
  "homepage_url": "https://www.vikingdeals.be/",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "activeTab",
    "webNavigation"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "listing.b7e3594a.js"
      ],
      "css": [
        "fonts.token.61f0cd4c.css"
      ]
    },
    {
      "matches": [
        "https://www.google.be/*",
        "https://www.google.com/*"
      ],
      "js": [
        "google.38881e80.js"
      ],
      "css": [
        "fonts.token.61f0cd4c.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "vikingdeals@medialaanmobile.be"
    }
  },
  "host_permissions": [
    "*://vikingdeals.be/*"
  ],
  "default_locale": "en",
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "mralex-bold.7e9233e2.woff2",
        "Asap-Regular.4a91735e.woff2",
        "Asap-Bold.1d52af66.woff2",
        "listing.67dfd8dd.css",
        "mralex-bold.7e9233e2.woff2",
        "Asap-Regular.4a91735e.woff2",
        "Asap-Bold.1d52af66.woff2",
        "listing.62beb00a.svg",
        "listing.21a62fa1.css",
        "listing.78526426.css",
        "listing.9880a776.css",
        "listing.22622660.css",
        "listing.a7bfb346.css",
        "listing.45b5f688.css",
        "listing.05637aa2.css",
        "listing.d6aabef6.css",
        "listing.9cbd051c.css",
        "listing.dd2fe776.css",
        "listing.1560ed2f.css"
      ]
    },
    {
      "matches": [
        "https://www.google.be/*",
        "https://www.google.com/*"
      ],
      "resources": [
        "mralex-bold.7e9233e2.woff2",
        "Asap-Regular.4a91735e.woff2",
        "Asap-Bold.1d52af66.woff2",
        "google.de62e842.png",
        "listing.67dfd8dd.css",
        "mralex-bold.7e9233e2.woff2",
        "Asap-Regular.4a91735e.woff2",
        "Asap-Bold.1d52af66.woff2"
      ]
    }
  ]
}