header>.bar>.menu_langues{
    float: left;
    height: 100%;
    
    position: relative;
    list-style: none;
    margin-top: 0px;
    margin-bottom: 0px;
    margin-left: 0px;
    margin-right: var(--header_separateur_ecart);
    padding: 0;
    display: flex;
    align-items: center;
    
}

header>.bar>.menu_langues > li {
    position: relative;
    height: var(--header_bar_h);
}

header>.bar>.menu_langues > li > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: calc(var(--header_sociaux_h) - 2px);
    height: 100%;
    cursor: pointer;
    overflow: hidden;
}

header>.bar>.menu_langues > li > a img {width: 100%;height: auto;object-fit: cover;}

/* --- sous-menu --- */
header>.bar>.menu_langues .submenu {
    position: absolute;
    top: calc(var(--header_bar_h) + 0px);
    left: -10px;
    display: flex;
    flex-direction: column;
    
    border-top: 1px solid #ffffff33;
    list-style: none;
    margin: 0;
    padding: 0;

    opacity: 0;
    transform: translateY(-5px);
    pointer-events: none;

    transition-property: opacity,transform;
    transition-duration:var(--anim_time2);
    transition-timing-function:var(--anim_ease);
    transition-delay: var(--anim_delay);
}

header>.bar>.menu_langues .submenu li {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5px 10px;
    border-bottom: 1px solid #ffffff33;
    background-color: var(--color_grisclaire_neomedia);

    transition-property: background-color,transform;
    transition-duration:var(--anim_time2);
    transition-timing-function:var(--anim_ease);
    transition-delay: var(--anim_delay);
}
header>.bar>.menu_langues .submenu li:hover {background-color: var(--color_bleufonce_neomedia);}
header>.bar>.menu_langues .submenu li:last-child {border-bottom: none;}

header>.bar>.menu_langues .submenu li a {
    display: flex;
    justify-content: center;
    align-items: center;
}

header>.bar>.menu_langues .submenu li a img {
    height: calc(var(--header_sociaux_h) - 2px);
    width: auto;
    display: block;
    filter: grayscale(100%);
    border:1px #ffffff33 dashed;

    transition-property: filter;
    transition-duration:var(--anim_time2);
    transition-timing-function:var(--anim_ease);
    transition-delay: var(--anim_delay);
}

/* --- affichage au survol --- */
header>.bar>.menu_langues > li:hover .submenu {opacity: 1;transform: translateY(0);pointer-events: auto;}
header>.bar>.menu_langues .submenu li a:hover img {filter: grayscale(0%);}