manifest.json

{
  "manifest_version": 3,
  "name": "Quick Dictionary",
  "version": "1.0.0",
  "author": "Asha Ivey",
  "description": "Quickly view the definition of a word when highlighted.",
  "icons": {
    "16": "images/quick-dictionary-logo_16.png",
    "32": "images/quick-dictionary-logo_32.png",
    "48": "images/quick-dictionary-logo_48.png",
    "128": "images/quick-dictionary-logo.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "http://*/*", "https://*/*"
  ],
  "action":{
    "default_title": "Quick Dictionary",
    "default_popup": "popup.html"
  }, 
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": ["<all_urls>"],
      "js": ["scripts/quick-dictionary.js"],
      "css": ["styles/style.css"]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": ["fonts/RobotoSlab-Light.ttf", "images/quick-dictionary-logo-long.svg"],
      "matches": ["<all_urls>"]
    }
  ]
}