Twitter is over capacity.

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Twitter is over capacity.",
  "description": "Twitterが鯖落ちしているようにみえます。それだけです。これで有意義な人生をおくりましょう。",
  "version": "1.0.0",
  "author": "Udon Shiroi",
  "permissions": [
    "https://twitter.com/*"
  ],
  "icons": {
    "48": "images/get_started48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*"
      ],
      "css": [
        "twitter/style.css"
      ],
      "js": [
        "twitter/style.js"
      ]
    }
  ],
  "options_page": "option/option.html"
}