@media screen and (max-width: 1000px) {

    body {

    }

    img, picture, video {
        max-width: 100%;
    }

    .menu_haut {
        flex-direction: column;
        display: none;
    }

    .menu_item {
        width: 100%;
        min-height: 32px;
    }

    .banniere {
        display: none;
    }

    .banniere_rd {
        display: block;
    }

    .menu_rd {
        display: block;
        position: absolute;
        width: 32px;
        border: 2px solid #fff;
        border-radius: 6px;
        padding: 2px;
        margin: 5px;
        right: 0;
    }

    .tab_entete_contacts, .tab_corps_contacts {
        flex-direction: column;
    }

    .tab_entete_contacts div , .tab_corps_contacts div {
        flex: 1;
    }
}

@media screen and (max-width: 500px) {

    .conteneur_carrousel {
        width: 100%;
    }

    .carrousel {
        width: calc(100% - 40px);
    }

    .elem_form {
        flex: 100% 1 1 !important;
    }

    .fiche_contact {
        flex-direction: column;
    }

    .fiche_contact .titre_info, .fiche_contact .valeur_info {
        flex: 100% 1 1;
    }
}