.flip-card{perspective:1000px}.flip-card-inner{display:block;font-size:3rem;font-weight:700;color:#4f46e5;text-align:center;transition:transform .6s;transform-style:preserve-3d}.flip-card-back,.flip-card-front{display:block;backface-visibility:hidden}.flip-card-back{transform:rotateX(180deg)}@keyframes flip{0%,50%{transform:rotateX(0deg)}50.1%,to{transform:rotateX(-180deg)}}.flip-card-inner{animation:flip 1s linear infinite}