AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.2.1" />

 CSSProperty

public class CSSProperty
http://www.w3.org/TR/CSS21/propidx.html
public bool Important { get; set; }

Gets or sets if the !important flag has been set.

public string Name { get; }

Gets the name of the property.

public CSSValue Value { get; set; }

Gets or sets the value of the property.

public CSSProperty(string name)

Creates a new CSS property.

public static CSSProperty Factory(string propertyName)

Creates a new CSSProperty from the given property name.