Clean out All Style Attributes using HTML Agility Pack .NET

using HtmlAgilityPack;
using System.Linq;

var html = @"
<p style='font-color:red;'>This is a test paragraph.</p>
<p style='font-size:2rem;'>This is another test paragraph.</p>
";

// From String
var doc = new HtmlDocument();
doc.LoadHtml(html);

// Clean out all elements with style attribute
var styleNodes= doc.DocumentNode.SelectNodes("//*[@style]");
if(styleNodes!=null){
	foreach(var styleNode in styleNodes){
		styleNode.Attributes["style"].Remove();
    }
}

// You can also directly use doc.Save API to avoid certain issues.
var cleanedHtml = doc.DocumentNode.InnerHtml;