.lang {
    cursor: pointer;
    font-size: 18px;
    color: rgb(255, 255, 255);
    right: 0px;
    top: 0px;
    margin-right: 0px;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    position: relative;
}
.ast-icon.icon-arrow svg {
    height: .6em;
    width: .6em;
    position: relative;
    margin-left: 10px;
}
.ast-icon svg {
    fill: currentColor;
}
.sub_lang {
    position: absolute;
    top: 38px;
    left: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
    border: 1px solid #000;
    border-radius: 5px;
    margin: 0;
    background: #fff;
    list-style: none;
    padding: 0;
}
.sub_lang li {
    left: 0;
    margin: 0;
    transition: background 0.4s;
}
.sub_lang a {
    color: #030122;
    text-decoration: none;
    padding: 3px 7px;
}
.lang:hover .sub_lang {
    opacity: 1;
    pointer-events: auto;
    z-index: 2;
}
.lang:after {
    content: "";
    height: 30px;
    display: block;
    position: absolute;
    top: 100%;
    width: 100%;
    z-index: 1;
}