.section-imgtxt {
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}
.section-imgtxt .wrap-embed iframe {
    width:100%
}
.section-imgtxt img {
    height: 100%;
}
.title .display-5 , .section-imgtxt h2 {
    font-weight: 500;
}
.txtjust{
    text-align: left;
}
@media screen and (min-width:768px) and (max-width:992px) {
    .section-imgtxt img:not(.icona) {
        height: 400px;
        object-fit: cover;
    }
}