img.ab-card{border-radius:10px;-moz-box-shadow:0 0 5px 2px #666;-webkit-box-shadow:0 0 5px 2px #666;box-shadow:0 0 5px 2px #666;min-height:7em}.front,.back{position:absolute;backface-visibility:hidden}.back{transform:rotateY(180deg)}.flip-card{perspective:1000px}.inner{transition:transform .6s;transform-style:preserve-3d}.card-grid:nth-child(1){--animate-delay: 1.2s}.card-grid:nth-child(2){--animate-delay: 1.4s}.card-grid:nth-child(3){--animate-delay: 1.6s}.card-grid:nth-child(4){--animate-delay: 1.8s}.card-grid:nth-child(5){--animate-delay: 2s}.card-grid:nth-child(6){--animate-delay: 2.2s}.card-grid:nth-child(7){--animate-delay: 2.4s}.card-grid:nth-child(8){--animate-delay: 2.6s}.card-grid:nth-child(9){--animate-delay: 2.8s}.card-grid:nth-child(10){--animate-delay: 3s}.card-grid:nth-child(11){--animate-delay: 3.2s}.card-grid:nth-child(12){--animate-delay: 3.4s}