Youtube resizer by iAlen

manifest.json

{
  "manifest_version": 2,
  "name": "Youtube thumbnail resizer by iAlen",
  "description": "Youtube thumbnail resizer brings back 6 thumbnails in row instead of 4",
  "version": "1.1",
  "icons": {
    "128": "icon_128.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "declarativeContent",
    "activeTab",
    "storage",
    "webRequest"
  ],
  "content_scripts": [
    {
      "css": [
        "css/styles.css"
      ],
      "js": [
        "js/background.js"
      ],
      "background": {
        "scripts": [
          "js/background.js"
        ],
        "persistent": false
      },
      "matches": [
        "https://www.youtube.com/*"
      ]
    }
  ]
}