fixedHeader.foundation.css

table.dataTable.fixedHeader-floating,
table.dataTable.fixedHeader-locked {
  background-color: white;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}

table.dataTable.fixedHeader-floating {
  position: fixed;
}

table.dataTable.fixedHeader-locked {
  position: absolute;
}