@media (max-width: 480px) {
  .panel-actions .dataTables_length {
    display: none;
  }
}
@media (max-width: 320px) {
  .panel-actions .dataTables_filter {
    display: none;
  }
}
@media (max-width: 767px) {
  .dataTables_length {
    float: left;
  }
  #exampleAddRow_wrapper .col-sm-12 {
    overflow-x: auto;
  }
}