/// <summary>
/// Before the curly bracket of an @keyframes rule has been seen.
/// </summary>
public CssKeyframeRule CreateKeyframeRule(CssToken token)
{
var rule = new CssKeyframeRule(_parser);
rule.Key = CreateKeyframeSelector(ref token);
if (rule.Key == null)
{
_tokenizer.JumpToEndOfDeclaration();
return(null);
}
FillDeclarations(rule.Style);
return(rule);
}
