@media only screen and (max-width: 1199px){
    .altura {
    width: auto;
    height: 355px;
    padding: 10px 11px;
}
}
@media only screen and (max-width: 1000px) {
    .fondo {
        margin-top: -129px;
    }
    .altura{
    width: 345px;
    height: 355px;
}
}
@media only screen and (max-width: 600px) {
    .slogan{
        width: 100%;
    }
    .cont-menu {
        margin-top: 0px;
    }
    .fondo {
        margin-top: -80px;

        background-size: cover;

    }
    .btn-outline-custom {
        width: 150px;

    }
}