Wabisabi

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "short_name": "Wabisabi",
  "name": "Wabisabi",
  "description": "Check the progresses of year, quarter, month and day on a new tab",
  "manifest_version": 2,
  "version": "0.0.9",
  "author": "Catlab",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "tabs",
    "https://*.unsplash.com/photos/*"
  ],
  "browser_action": {
    "default_title": "Wabisabi",
    "default-icon": "icon16.png"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  }
}