.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030; 
}

  #lang-form {
    display: inline-block;
  }

  #lang-form select {
    position: absolute;
    top: 90%;
    left: 0;
    width: max-content;
    z-index: 1000;
  }