@media (max-width: 768px) {
  .btn-responsive {
    padding:2px 4px;
    font-size:11px;
    line-height: 1;
    border-radius:3px;
  }
  .imgChanger{
    height: 60px;
  }
}
@media (min-width: 769px) and (max-width: 992px) {
  .btn-responsive {
    padding:4px 9px;
    font-size:12px;
    line-height: 1.2;}
  .imgChanger{
    height: 90px;
  }
}