.cardTeste {
    width: 150px;
    height: 200px;
    perspective: 1000px;
}

.card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.999s;
}

.cardTeste:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.card-front {
    background-color: #6A2C70;
    color: #fff;
    display: flex;
    align-items: center;
    border: 10px solid #6A2C70;
    border-radius: 10px;
    justify-content: center;
    font-size: 24px;
    transform: rotateY(0deg);
}

.card-back {
    background-color: #F08A5D;
    color: #fff;
    display: flex;
    align-items: center;
    border: 10px solid #F08A5D;
    border-radius: 10px;
    justify-content: center;
    font-size: 24px;
    transform: rotateY(180deg);
}