.error{display: block; font-size: 12px; color: red;}
.table td, .table th {
  padding: .75rem;
  vertical-align: top;
  border-top: 1px solid #dee2e6;
}

.small{
    font-size: 12px;
}



div.tours_test {

  max-height: 600px;
  overflow: scroll;
  position: relative;
}

.tours_test table {
  position: relative;
  border-collapse: collapse;
}

div.tours_test thead th {
  position: -webkit-sticky; /* for Safari */
  position: sticky;
  top: 0;
  background: #000;
  color: #FFF;
}

div.tours_test thead th:first-child {
  left: 0;
  z-index: 1;
}

div.tours_test tbody th {
  position: -webkit-sticky; /* for Safari */
  position: sticky;
  left: 0;
  background: #FFF;
  border-right: 1px solid #CCC;
}

.th_error{
    color: red !important;
}