.perspective-1000 {
    perspective: 1000px;
}
.transform-style-3d {
    transform-style: preserve-3d;
}
.backface-hidden {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.rotate-y-180 {
    transform: rotateY(180deg);
}
.card-square {
    aspect-ratio: 1 / 1;
}