.wy-nav-content {
    max-width: 70%;
}

.lang_switch_place {
    width: 120px;
    background-color: #f0f0f0;
    padding: 3px;
    border-radius: 5px;
  }
  
.language_select {
    width: 100%;
    height: 28px;
    border: none;
    border-radius: 5px;
    padding: 5px;
    font-size: 14px;
    color: yellowgreen;
    background-color: black;
  }