AngleSharp by Florian Rappl

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

.NET API 1,168,384 bytes

 CssBackgroundOriginProperty

More information available at: https://developer.mozilla.org/en-US/docs/Web/CSS/background-origins Gets an enumeration with the desired origin settings.
using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssBackgroundOriginProperty : CssProperty { private static readonly IValueConverter<BoxModel[]> Converter = Converters.BoxModelConverter.FromList(); internal CssBackgroundOriginProperty(CssStyleDeclaration rule) : base(PropertyNames.BackgroundOrigin, rule, PropertyFlags.None) { } protected override object GetDefault(IElement element) { return BoxModel.PaddingBox; } protected override object Compute(IElement element) { return Converter.Convert(base.Value); } protected override bool IsValid(ICssValue value) { return Converter.Validate(value); } } }