#lang_sel ul {
    display: none;
    list-style-type: none;
}

#lang_sel:hover ul {
    display: block;
}

#lang_sel>ul>li>ul li:last-child {
    margin-bottom: 0 !important;
}

#lang_sel>ul>li>ul li:first-child {
    margin-top: 0 !important;
}

.z_index_top {position:relative; z-index:111;}

@media only screen and (max-width: 600px) {
    .header_top{
        display: none !important;
    }
}