Attribute and Style Editor

manifest.json

{
  "manifest_version": 3,
  "name": "Attribute and Style Editor",
  "version": "0.1.4",
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd474535-74ae-425c-9492-f85f63549d50}"
    }
  },
  "description": "Allows you to define rules that automatically add or change html attributes or css styles for elements you specify in a website.",
  "icons": {
    "48": "icons/attributeStyleEdit-48.png",
    "96": "icons/attributeStyleEdit-96.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/attributeStyleEdit-16.png",
      "32": "icons/attributeStyleEdit-32.png"
    },
    "default_popup": "popup.html",
    "browser_style": false,
    "default_title": "Attribute and Style Editor"
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "main.js"
      ],
      "all_frames": true,
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage"
  ]
}