AngleSharp by Florian Rappl

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

.NET API 1,168,384 bytes

 CssMarginTopProperty

Information can be found on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/margin-top Gets the margin relative to the height of the containing block or a fixed height, if any. Gets if the margin is automatically determined.
using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssMarginTopProperty : CssProperty { internal CssMarginTopProperty(CssStyleDeclaration rule) : base(PropertyNames.MarginTop, rule, PropertyFlags.Unitless | PropertyFlags.Animatable) { } protected override object GetDefault(IElement element) { return Length.Zero; } protected override object Compute(IElement element) { return Converters.AutoLengthOrPercentConverter.Convert(base.Value); } protected override bool IsValid(ICssValue value) { return Converters.AutoLengthOrPercentConverter.Validate(value); } } }