Full Width Twitter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Full Width Twitter",
  "version": "0.5",
  "manifest_version": 2,
  "description": "Change twitter layout to full-width and bold in links",
  "background": {
    "scripts": [
      "myjs.js"
    ]
  },
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "page_action": {
    "default_icon": {
      "19": "icon19.png",
      "38": "icon38.png"
    },
    "default_title": "Full width Twitter"
  },
  "offline_enabled": true,
  "permissions": [
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*"
      ],
      "css": [
        "mystyle.css"
      ]
    }
  ]
}