.menu {
    padding: 0;
    margin: 0 -0.75rem;
    list-style: none;
    position: relative;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.menu li a {
    padding: 0 0.75rem; 
    margin-bottom: 0;
    display: block;
}

.horizontal_menu .menu,
.menu,
.menu.horizontal {
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
}

.vertical_menu .menu,
.menu.vertical {
    -webkit-flex-wrap: nowrap;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
}



@media print,
screen and (min-width: 40em) {
    .medium-horizontal_menu .menu,
    .menu.medium-horizontal {
        -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
        -webkit-flex-direction: row;
        -ms-flex-direction: row;
        flex-direction: row;
    }

    .medium-vertical_menu .menu,
    .menu.medium-vertical {
        -webkit-flex-wrap: nowrap;
        -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;
    }
}

@media print,
screen and (min-width: 64em) {
    .large-horizontal_menu .menu,
    .menu.large-horizontal {
        -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
        -webkit-flex-direction: row;
        -ms-flex-direction: row;
        flex-direction: row;
    }

    .large-vertical_menu .menu,
    .menu.large-vertical {
        -webkit-flex-wrap: nowrap;
        -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;
    }

}