.dataTables_wrapper .search-custom input[type="search"] {
    width: 500px;
    font-size: 11px;
    font-family: Arial;
}
.dataTables_wrapper .search-custom label, div {
    font-size: 11px;
    font-family: Arial;
}
table.dataTable td, th {
    font-size: 11px;
    font-family: Arial;
  }