AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.2" />

.NET API 1,168,384 bytes

 CssColumnCountProperty

More information available at: https://developer.mozilla.org/en-US/docs/Web/CSS/column-count Gets the number of columns.
using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssColumnCountProperty : CssProperty { internal CssColumnCountProperty(CssStyleDeclaration rule) : base(PropertyNames.ColumnCount, rule, PropertyFlags.Animatable) { } protected override object GetDefault(IElement element) { return null; } protected override object Compute(IElement element) { return Converters.OptionalIntegerConverter.Convert(base.Value); } protected override bool IsValid(ICssValue value) { return Converters.OptionalIntegerConverter.Validate(value); } } }