#lang-sub-menu {
    display: none;
    position: absolute;
    z-index: 800;
    bottom: 76px;
    right: 78px;
    width: 60px;
    height: 150px;
    cursor: pointer;
}

#lang-sub-menu > div {
    display: block;
    width: 100%;
    height: 100%;
}

.submenu {
    width: 100%;
    height: 50px;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    background-color: rgba(255, 255, 255, 0.45);
}

#submenu-de {
    background-image: url('../skin/de_btn.png');
}

#submenu-en {
    background-image: url('../skin/en_btn.png');
}

#submenu-fr {
    background-image: url('../skin/fr_btn.png');
}

@media only screen and (max-width: 991px) {

    #lang-sub-menu {
        bottom: 50px;
        right: 120px;
        width: 54px;
        height: 126px;
    }

    .submenu {
        height: 42px;
    }
    
}