exec/java-exec/src/main/resources/rest/static/css/drill-dataTables.sortable.css

/* DataTables Sorting: inherited via sortable class */
table.sortable thead .sorting,.sorting_asc,.sorting_desc {
  background-repeat: no-repeat;
  background-position: center right;
  cursor: pointer;
}
/* Sorting Symbols */
table.sortable thead .sorting { background-image: url("/static/img/black-unsorted.gif"); }
table.sortable thead .sorting_asc { background-image: url("/static/img/black-asc.gif"); }
table.sortable thead .sorting_desc { background-image: url("/static/img/black-desc.gif"); }