Test that keyframe rules are reported.

Animations for #element
Dumping CSS keyframed animations: 
@keyframes animName {
    0% {
        width: 100px; @[12:8-12:21]
        width: 100px; @[undefined-undefined]
    }
    10% {
        width: 150px; @[15:8-15:21]
        width: 150px; @[undefined-undefined]
    }
    100% {
        width: 200px; @[18:8-18:21]
        width: 200px; @[undefined-undefined]
    }
}
@keyframes mediaAnim {
    0% {
        opacity: 0; @[25:12-25:23]
        opacity: 0; @[undefined-undefined]
    }
    100% {
        opacity: 1; @[28:12-28:23]
        opacity: 1; @[undefined-undefined]
    }
}
@keyframes styleSheetAnim {
    0% {
        color: red; @[2:8-2:19]
        color: red; @[undefined-undefined]
    }
    100% {
        color: blue; @[5:8-5:20]
        color: blue; @[undefined-undefined]
    }
}

Animations for #element::before
Dumping CSS keyframed animations: 
@keyframes beforeAnim {
    0% {
        width: 10px; @[35:8-35:20]
        width: 10px; @[undefined-undefined]
    }
    100% {
        width: 50px; @[39:8-39:20]
        width: 50px; @[undefined-undefined]
    }
}