styles.css

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 0;
    font-family: Poppins, sans-serif;
}

.card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    max-width: 1000px;
    margin: auto;
    row-gap: 30px;
}

.card {
    position: relative;
    width: 300px;
    height: 200px;
    overflow: hidden;
    border-radius: 25px;
    -webkit-box-shadow: 10px 10px 14px -11px rgba(66, 68, 90, 1);
    -moz-box-shadow: 10px 10px 14px -11px rgba(66, 68, 90, 1);
    box-shadow: 10px 10px 14px -11px rgba(66, 68, 90, 1);
}

.card-img,
.overlay-img {
    top: 0;
    left: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay-img {
    transition: opacity 0.3s ease;
    z-index: 2;
}

.card-title,
.card-title-front,
.hiroshima,
.hiroshima-front {
    position: absolute;
    width: 100%;
    left: 0;
    text-align: center;
    font-weight: 800;
    margin: 0;
    padding: 10px 0;
    font-size: 28px;
    transition: bottom 0.3s ease;
}

.card-title, .hiroshima {
    color: white;
    bottom: -100%;
    z-index: 1;
}

.card-title-front, .hiroshima-front {
    color: transparent;
    -webkit-text-stroke: 0.5px white;
    bottom: -100%;
    z-index: 3;
    transition: opacity 0s 0.25s;
    opacity: 0;
}

.card:hover .card-title,
.card:hover .card-title-front {
    bottom: 20%;
    transform: translateY(-50%);
}

.card:hover .hiroshima,
.card:hover .hiroshima-front {
    bottom: -5%;
    transform: translateY(-50%);
}

.card:hover .card-title-front, .card:hover .hiroshima-front {
    display: block;
    opacity: 1;
}