Examine source code of Email Paster

{
  "manifest_version": 2,
  "name": "Email Paster",
  "version": "1.0",
  "description": "A Firefox extension to paste your email address in input fields.",
  "permissions": [
    "activeTab",
    "contextMenus",
    "tabs",
    "storage"
  ],
  "icons": {
    "28": "icon-28.png",
    "56": "icon-56.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3160708e-8a25-4ef3-9ac1-31059017c2e2}"
    }
  }
}