AngleSharp by Florian Rappl

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

.NET API 1,172,480 bytes

 CssTransformOriginProperty

sealed class CssTransformOriginProperty : CssProperty, ICssTransformOriginProperty, ICssProperty
More information available at: https://developer.mozilla.org/en-US/docs/Web/CSS/transform-origin
public Length X { get; }

Gets how far from the left edge of the box the origin of the transform is set.

public Length Y { get; }

Gets how far from the top edge of the box the origin of the transform is set.

public Length Z { get; }

Gets how far from the user eye the z = 0 origin is set.

public void SetPosition(Length x, Length y, Length z)