AngleSharp by Florian Rappl

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

.NET API 1,168,384 bytes

 CssVisibilityProperty

Information can be found on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/visibility Gets the visibility mode.
using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssVisibilityProperty : CssProperty { internal CssVisibilityProperty(CssStyleDeclaration rule) : base(PropertyNames.Visibility, rule, PropertyFlags.Inherited | PropertyFlags.Animatable) { } protected override object GetDefault(IElement element) { return Visibility.Visible; } protected override object Compute(IElement element) { return Converters.VisibilityConverter.Convert(base.Value); } protected override bool IsValid(ICssValue value) { return Converters.VisibilityConverter.Validate(value); } } }