AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.5.0" />

.NET API 681,472 bytes

CSSCounter

sealed class CSSCounter : CSSValue

public string CounterIdentifier { get; }

public string DefinedSeparator { get; }

public string ListStyle { get; }

public CSSCounter(string identifier, string listStyle, string separator)