Timely - A Minimal Clock on New Tabs

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Timely - A Minimal Clock on New Tabs",
  "version": "2.6",
  "description": "Extremely lightweight extension that replaces your new tab page with a minimalist clock.",
  "author": "growthboy.com",
  "icons": {
    "128": "img/icon.png"
  },
  "incognito": "split",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/jquery-3.1.1.min.js",
        "js/content.js"
      ]
    }
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "minimum_chrome_version": "36.0.0",
  "permissions": [],
  "browser_action": {
    "default_title": "New tab",
    "default_icon": "img/icon.png",
    "default_popup": "popup.html"
  }
}