Tests that proper data and start/end offset positions are reported for CSS keyframes. animName @[1:17-1:25] 0%, 20% @[2:10-2:19] {} @[2:21-5:10] height:200px @[3:14-3:28] color:red @[4:14-4:25] 100% @[6:10-6:12] {} @[6:14-8:10] height:500px @[7:14-7:28] mediaAnim @[17:15-17:24] 0% @[18:8-18:12] {} @[18:14-20:8] opacity:0 @[19:12-19:23] 100% @[21:8-21:10] {} @[21:12-23:8] opacity:1 @[22:12-22:23] styleSheetAnim @[4:11-4:25] 0% @[5:4-5:8] {} @[5:10-7:4] padding-left:100px @[6:8-6:28] 10% @[8:4-8:7] {} @[8:9-10:4] padding-left:150px @[9:8-9:28] 100% @[11:4-11:8] {} @[11:10-13:4] padding-left:200px @[12:8-12:28] >> Modifying keyframe rule animName @[1:17-1:25] 0%, 20% @[2:10-2:19] {} @[2:21-5:10] height:200px @[3:14-3:28] color:red @[4:14-4:25] 100% @[6:10-6:12] {} @[6:14-8:10] height:500px @[7:14-7:28] mediaAnim @[17:15-17:24] 0% @[18:8-18:12] {} @[18:14-18:26] width:123px @[18:14-18:26] 100% @[19:8-19:10] {} @[19:12-21:8] opacity:1 @[20:12-20:23] styleSheetAnim @[4:11-4:25] 0% @[5:4-5:8] {} @[5:10-7:4] padding-left:100px @[6:8-6:28] 10% @[8:4-8:7] {} @[8:9-10:4] padding-left:150px @[9:8-9:28] 100% @[11:4-11:8] {} @[11:10-13:4] padding-left:200px @[12:8-12:28]