manifest.json

{
  "manifest_version": 2,

  "name": "Syntacs",
  "description": "A tool for finding new vocabulary on websites and saving them to study later",
  "default_locale":"es",
  "background": {
    "scripts": ["background.js"],
    "persistent": true
  },
  "version": "1.0",
  "permissions": [
    "activeTab", "storage", "tabs", "http://*/*", "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "js": ["content.js"]
    }
  ],
  "browser_action": {
    "default_popup": "browseraction.html",
    "default_title": "Syntacs"
  },
  "icons": { "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png" 
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "MacCtrl+Shift+T"

      },
      "description": "Opens popup.html"
    }
  },
  "options_page": "options.html",

  "web_accessible_resources": ["popup.html", "sentence_popup.html", "icon.html", "syntacs-window.css", "popup.js", "icons/icon48.png"]
}