ids theme: tabular figures for table digits (vertical alignment of numeric columns)

Change-Id: I108491093898f081659d1555584bb4d1a9f556b5
diff --git a/inst/reveal.js-5.2.1/dist/theme/ids.css b/inst/reveal.js-5.2.1/dist/theme/ids.css
index 52f3cb7..8be1e80 100644
--- a/inst/reveal.js-5.2.1/dist/theme/ids.css
+++ b/inst/reveal.js-5.2.1/dist/theme/ids.css
@@ -823,6 +823,7 @@
   font-family: "Fira Sans Condensed", sans-serif;
   font-weight: 400;
   font-size: 16px;
+  font-variant-numeric: tabular-nums;
 }
 
 .reveal table.dataTable {