.menu_section {
    padding: 5%;
    background: #cdcdcd;
}

.menu_section .menu_contain {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 996px)  {
    .menu_section .menu_contain {
        grid-template-columns: 1fr;
    }

    .menu_section .menu_contain .portada {
        grid-row: 1;
    }
}