.img-block img {
width: 100%;
border-radius: 40px;
    max-height: 800px;
    object-position: center;
    object-fit: cover;
}
.firma__flex-text h3 {
    max-width: 369px;
}
.firma__flex-text p {
    max-width: 399px;
}
.firma__flex-text-footer {
    margin-top: 106px;
}
.firma {
    margin-bottom: 0px;
}

@media only screen and (min-width: 320px) and (max-width: 768px) {
    .firma__flex-text-footer {
        margin-top: 40px;
    }
    .img-block img {
    height: 600px;
}
.img-block img {
    width: 100%;
    border-radius: 20px;
    max-height: 800px;
    object-position: center;
    object-fit: cover;
}
}