AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.4.1" />

.NET API 1,229,312 bytes

 CssWidowsProperty

Information can be found on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/widows Gets the number of lines, which must be left on top of a new page, on a paged media.
using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssWidowsProperty : CssProperty { internal CssWidowsProperty(CssStyleDeclaration rule) : base(PropertyNames.Widows, rule, PropertyFlags.Inherited) { } protected override object GetDefault(IElement element) { return 2; } protected override object Compute(IElement element) { return Converters.IntegerConverter.Convert(base.Value); } protected override bool IsValid(CssValue value) { return Converters.IntegerConverter.Validate(value); } } }