select.dataTables.css in jquery-datatables-1.10.13

- old
+ new

@@ -57,29 +57,34 @@
 table.dataTable.display tbody > tr:hover > .selected,
 table.dataTable.display tbody > tr > .selected:hover, table.dataTable.order-column.hover tbody > tr:hover > .selected,
 table.dataTable.order-column.hover tbody > tr > .selected:hover {
   background-color: #a2aec7;
 }
-table.dataTable td.select-checkbox {
+table.dataTable td.select-checkbox,
+table.dataTable th.select-checkbox {
   position: relative;
 }
-table.dataTable td.select-checkbox:before, table.dataTable td.select-checkbox:after {
+table.dataTable td.select-checkbox:before, table.dataTable td.select-checkbox:after,
+table.dataTable th.select-checkbox:before,
+table.dataTable th.select-checkbox:after {
   display: block;
   position: absolute;
   top: 1.2em;
   left: 50%;
   width: 12px;
   height: 12px;
   box-sizing: border-box;
 }
-table.dataTable td.select-checkbox:before {
+table.dataTable td.select-checkbox:before,
+table.dataTable th.select-checkbox:before {
   content: ' ';
   margin-top: -6px;
   margin-left: -6px;
   border: 1px solid black;
   border-radius: 3px;
 }
-table.dataTable tr.selected td.select-checkbox:after {
+table.dataTable tr.selected td.select-checkbox:after,
+table.dataTable tr.selected th.select-checkbox:after {
   content: '\2714';
   margin-top: -11px;
   margin-left: -4px;
   text-align: center;
   text-shadow: 1px 1px #B0BED9, -1px -1px #B0BED9, 1px -1px #B0BED9, -1px 1px #B0BED9;