.page_header {
    padding:     em(24px) 0 em(24px);
/*     background:  $couleur-primaire; */
/*     color:       white; */
/*     white-space: nowrap; */
}

.page_header_container {
    display:         flex;
    justify-content: space-between;
    align-items:     center;
}

.nom_site_spip, .slogan_site_spip {
    @include visuallyhidden;
}


@include media($bp-medium) {

    .header_nav_item {
        margin-bottom: 1.5em;
        & > a {
            font-size:   em(20px);
            font-weight: bold;
        }
    }

    .header_nav_subitem {
        margin: .5em 0;
        & > a {
            font-weight: bold;
        }
    }
}

@include media($bp-medium-up) {
    .header_nav {
    }

}