.sobre .image {
    max-width: 100%;
    height: 300px;
    border-radius: 5px;
    margin-bottom: 50px;
}

.sobre .obj-cover {
    -o-object-position: left;
       object-position: left;
    border-radius: 5px;
}

@media (min-width: 768px) {
    .sobre .image {
        height: 400px;
    }
}
@media (min-width: 992px) {
    .sobre .image {
        height: 500px;
        margin-bottom: 0;
    }
}
@media (min-width: 1200px) {
    .sobre .image {
        max-width: 525px;
    }
}