AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.2.7" />

.NET API 402,432 bytes

 CSSKeyframesRule

public sealed class CSSKeyframesRule : CSSRule
Represents an @keyframes rule.
public CSSRuleList CssRules { get; }

Gets a CSSRuleList of the CSS rules in the media rule.

public string Name { get; set; }

Gets or sets the name of the animation, used by the animation-name property.

public CSSKeyframesRule AppendRule(string rule)

Inserts a new keyframe rule into the current CSSKeyframesRule.

public CSSKeyframesRule DeleteRule(string key)

Deletes a keyframe rule from the current CSSKeyframesRule.

public CSSKeyframeRule FindRule(string key)

Returns a keyframe rule corresponding to the given key.