.lang-pen {
    position: absolute;
    right: 0;
    bottom: 10px;
    z-index: 99999;
}

.lang-pen div#flags {
    width: auto !important;
}
@media(max-width: 767px){
    .lang-pen {
        right: calc(50% - 30px);
    }
    
    .btn-toggle-mobile-menu:after {
        color: #000;
    }
}