CssStyleRule

sealed class CssStyleRule : CssRule, ICssStyleRule, ICssRule, IStyleFormattable

Represents a CSS style rule.

public ISelector Selector { get; set; }

Gets or sets the selector for matching elements.

public string SelectorText { get; set; }

Gets or sets the textual representation of the selector for this rule, e.g. "h1,h2".

AngleSharp by AngleSharp