.dt-scroll {
  overflow-x: auto;
  width: 100%;
  max-height: 600px;
}
.dt-scroll .dataTable thead tr th,
.dt-scroll thead tr td {
  position: sticky;
  background-color: #FFFFFF;
}
.dt-scroll thead tr th {
  top: 0;
}
.dt-scroll thead tr td {
  top: 2.45em;
}