.lang-pen li img {
    width: 25px;
}

.lang-pen li {
    list-style: none;
    float: right;
}
.lang-pen {
    position: absolute;
    right: 20px;
    bottom: 15px;
}
@media(max-width: 767px){
    .lang-pen {
        position: absolute;
        right: calc(50% - 33px);
        bottom: 15px;
    }
}