Examine source code of Sust: Get Preloved Fashion

{
  "manifest_version": 2,
  "name": "SUST for Pre-loved Fashion",
  "version": "1.15",
  "description": "Affordable & sustainable fashion is just a click away while you browse online",
  "permissions": [
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "Platform.js",
      "Discovery.js",
      "background.js",
      "Utils.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "16": "assets/img/Sust_Logo_Icon_Black_16x16.png",
      "32": "assets/img/Sust_Logo_Icon_Black_32x32.png",
      "48": "assets/img/Sust_Logo_Icon_Black_48x48.png",
      "64": "assets/img/Sust_Logo_Icon_Black_64x64.png",
      "128": "assets/img/Sust_Logo_Icon_Black_128x128.png"
    },
    "default_title": "Sust",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "Platform.js",
        "Discovery.js",
        "ProductUi.js",
        "UiController.js",
        "content.js",
        "Utils.js"
      ],
      "css": [
        "assets/css/idb.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "assets/img/*",
    "assets/font/*",
    "assets/css/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "firefoxsust@matter2media.com"
    }
  }
}