.img-container {
    max-width: 450px;
    max-height: 450px;
}
.img-container img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.content_preview_image .btn {
    background-color: var(--amarillo);
    color: var(--color_pq_text)
    transition: box-shadow .3s ease infinite;
    font-size: 12px;
    margin: .5rem;
}
.content_preview_image .btn:hover {
    box-shadow: 0 4px 10px 0 rgba(0,0,0,.15);
}