dly affirmed district court decisions denying class certification where plaintiffs failed to contest a predominance finding. See, e.g., Little v. T- Mobile USA, Inc., 691 F.3d 1302, 1306-08 (11th Cir. 2012); Klay v. Humana, Inc., 382 F.3d 1241, 1268 (11th Cir. 2004), abrogated on other grounds by Bridge v. Phoeni