fooRule: [object CSSKeyframesRule] ~ @keyframes "foo" { 0% { color: black; } 100% { color: white; } }
fooRule.cssRules: [object CSSRuleList]
fooRule.cssRules[0]: [object CSSKeyframeRule] ~ 0% { color: black; }
fooRule.cssRules[0].parentRule: [object CSSKeyframesRule]
fooRule.cssRules[0].parentRule: [object CSSKeyframesRule] ~ @keyframes "foo" { 0% { color: black; } 100% { color: white; } }
fooRule.cssRules[0].style.parentRule: [object CSSKeyframeRule] ~ 0% { color: black; }
fooRule.cssRules[0].style.parentRule === fooRule.cssRules[0]: true