manifest.json

{
  "manifest_version": 2,
  "version": "1.3",
  "name": "zappy",
  "description": "slow fashion, quick maths",
  "author": "Joko Sanyang, Freddie Preece, Sylvia Hoang",
  "permissions": [
    "storage",
    "activeTab",
    "declarativeContent",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "assets/*.png"
  ],
  "icons": {
    "16": "./assets/terrapin16.png",
    "48": "./assets/terrapin48.png",
    "128": "./assets/terrapin128.png"
  },
  "page_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.hm.com/*",
        "https://*.asos.com/*",
        "https://*.nike.com/*",
        "https://*.uniqlo.com/*",
        "https://*.shein.co.uk/*",
        "https://*.shein.com/*",
        "https://*.macys.com/*",
        "https://*.nordstrom.com/*",
        "https://*.zappos.com/*",
        "https://*.boohoo.com/*"
      ],
      "run_at": "document_idle",
      "css": [
        "style.css"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}