AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.1" />

.NET API 1,172,480 bytes

 CssCaptionSideProperty

Information can be found on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/caption-side
using AngleSharp.Css; namespace AngleSharp.Dom.Css { internal sealed class CssCaptionSideProperty : CssProperty, ICssCaptionSideProperty, ICssProperty { internal static readonly IValueConverter<bool> Converter = Converters.Toggle(Keywords.Top, Keywords.Bottom); internal static readonly bool Default = true; private bool _top; public bool IsOnTop => _top; internal CssCaptionSideProperty(CssStyleDeclaration rule) : base(PropertyNames.CaptionSide, rule, PropertyFlags.None) { Reset(); } public void SetMode(bool onTop) { _top = onTop; } internal override void Reset() { _top = Default; } protected override bool IsValid(ICssValue value) { return Converter.TryConvert(value, SetMode); } } }