.card {
    margin: 15px !important;
}

.card-img {
    height: 100%;
    width: 100%;
    height: 20vw;
    object-fit: cover;
}

#galeria h2 {
    text-align: center;
    font-weight: bold;
}

#galeria img {
    transition: opacity 200ms, transform 200ms;
}

#galeria img:hover {
    opacity: 0.8;
    transform: scale(1.02);
}