AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.6.0" />

.NET API 844,288 bytes

 CSSMaxHeightProperty

public sealed class CSSMaxHeightProperty : CSSProperty
Information can be found on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/max-height
public bool IsLimited { get; }

Gets if a limit has been specified, otherwise the value is none.

public CSSCalcValue Limit { get; }

Gets the specified max-height of the element. A percentage is calculated with respect to the height of the containing block. If the height of the containing block is not specified explicitly, the percentage value is treated as none.