.stappenplan-module .perspective{perspective:1200px}.stappenplan-module .transform-style-preserve-3d{transform-style:preserve-3d}.stappenplan-module .backface-hidden{backface-visibility:hidden}.stappenplan-module .card-back,.stappenplan-module .rotate-y-180,.stappenplan-module .stappenplan-item:hover .card-inner{transform:rotateX(180deg)}