Examine source code of HideAlbumScores

{
  "manifest_version": 2,
  "name": "HideAlbumScores",
  "version": "1.0",
  "description": "Hides the album scores and related information on albumoftheyear.org.",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "506": "icons/icon.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "HideAS",
    "default_popup": "minimenu/minimenu.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.albumoftheyear.org/*"
      ],
      "css": [
        "hidealbumscores.css"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b6959cce-b5a4-475f-9313-fa5d18344834}"
    }
  }
}