.select-lang {
    padding: 1px;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
}
.select-lang .btn {
    padding: 4px 10px;
}
.btn-reverse {
    border-radius: 4px ! important;
}
.dialog-select-lang {
    position: absolute;
    display: none;
    z-index: 999;
    width: 990px;
    max-width: 90%;
    border: 1px solid #ccc;
    background-color: #fff;
}
.select-lang-list > div {
    width: 200px;
}
.btn-lang-select {
    padding: 4px;
    display: block;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.btn-lang-select:hover {
    background-color: #e8f0fe;
}
.btn-lang-select.active {
    background-color: #bdd5ff;
}