Dark Tiles Theme for Google Play Music

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Dark Tiles Theme for Google Play Music",
  "content_scripts": [
    {
      "matches": [
        "https://play.google.com/music/*"
      ],
      "css": [
        "custom.css"
      ]
    }
  ],
  "version": "1.2.1",
  "description": "Dark Grey/Blue Theme with transluscent elements for Google Play Music",
  "manifest_version": 2
}