@media( max-width: 768px) {
  /*.webform-submission-form .form-text, .webform-submission-form textarea.form-text {
    padding-right: 0;
    padding-left: 0;
  }*/
  .webform-multiple-table table {
    max-width: 100%;
  }
  table[id*="edit-childs-items"] td {
     width: 95% !important;
  }
  table[id*="edit-childs-items"] td label {
     display: block !important;
  }
  .webform-multiple-table td input[type="image"] {
     float: right;
  }
  .webform-multiple-table--operations {
    height: 50px;
  }
}