.centered {
    position: fixed;
    top: 50%;
    left: 50%;
    /* bring your own prefixes */
    transform: translate(-50%, -50%);
}

.login-card {
    width: 450px;
    height: 300px;
}

/*.carousel-item {
    flex-direction: column;
    align-items: center;
}*/

.carousel-item {
    text-align: center;
}

.carousel-item img {
    height: 400px;
    object-fit: contain;
    display: inline-block;
}

.modal-img-container {
    text-align: center;
}

.modal-img-container img {
    display: inline-block;
    object-fit: contain;
    height: 400px;
    max-width: 100%;
}