Fix overlap of sort arrows in datatable header

Change-Id: Ifa893b86513e4d1a9777aa0c4c5636c451d474ac
diff --git a/inst/reveal.js-4.6.1/dist/theme/ids.css b/inst/reveal.js-4.6.1/dist/theme/ids.css
index c1adfba..531a165 100644
--- a/inst/reveal.js-4.6.1/dist/theme/ids.css
+++ b/inst/reveal.js-4.6.1/dist/theme/ids.css
@@ -602,6 +602,12 @@
   margin-top: 10pt;
 }
 
+/* Sort Arrows in DataTables */
+table.dataTable thead > tr > th.sorting:before, table.dataTable thead > tr > th.sorting:after, table.dataTable thead > tr > th.sorting_asc:before, table.dataTable thead > tr > th.sorting_asc:after, table.dataTable thead > tr > th.sorting_desc:before, table.dataTable thead > tr > th.sorting_desc:after, table.dataTable thead > tr > th.sorting_asc_disabled:before, table.dataTable thead > tr > th.sorting_asc_disabled:after, table.dataTable thead > tr > th.sorting_desc_disabled:before, table.dataTable thead > tr > th.sorting_desc_disabled:after, table.dataTable thead > tr > td.sorting:before, table.dataTable thead > tr > td.sorting:after, table.dataTable thead > tr > td.sorting_asc:before, table.dataTable thead > tr > td.sorting_asc:after, table.dataTable thead > tr > td.sorting_desc:before, table.dataTable thead > tr > td.sorting_desc:after, table.dataTable thead > tr > td.sorting_asc_disabled:before, table.dataTable thead > tr > td.sorting_asc_disabled:after, table.dataTable thead > tr > td.sorting_desc_disabled:before, table.dataTable thead > tr > td.sorting_desc_disabled:after {
+  right: 0 !important;
+  line-height: 80% !important;
+}
+
 /*********************************************
  * BIBLIOGRAPHY
  *********************************************/