AlphaText - Make text readable!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "AlphaText - Make text readable!",
  "short_name": "AlphaText",
  "description": "Customize and change the appearance of online articles to enhance text readability",
  "author": "P. Wang & H. Zhou",
  "version": "3.6",
  "incognito": "spanning",
  "permissions": [
    "activeTab",
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "eventPage.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "contentscript.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "19": "icons/icon-19.png",
      "38": "icons/icon-38.png"
    },
    "default_title": "AlphaText"
  },
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  }
}