ユーチューブ見やすく！！

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "ユーチューブ見やすく！！",
  "description": "ユーチューブを見やすくします！！",
  "version": "1.0",
  "manifest_version": 2,
  "icons": {
    "32": "icon_32.ico",
    "48": "icon_48.ico",
    "64": "icon_64.ico",
    "128": "icon_128.ico"
  },
  "browser_action": {
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "css": [
        "index.css"
      ]
    },
    {
      "matches": [
        "https://www.youtube.com/watch*"
      ],
      "css": [
        "watch.css"
      ]
    }
  ]
}