Inserts a new keyframe rule into the current CSSKeyframesRule.
Returns a CSSRuleList of the CSS rules in the media rule.
cssText returns the actual text of the style rule.
Deletes a keyframe rule from the current CSSKeyframesRule.
Returns a keyframe rule corresponding to the given key.
Represents the name of the animation, used by the animation-name property.
Returns the containing rule, otherwise null.
parentStyleSheet returns the stylesheet object in which the current rule is defined.