diff --git a/news/changelog-1.3.md b/news/changelog-1.3.md
index b8cb9b5e6d8..cd47b761591 100644
--- a/news/changelog-1.3.md
+++ b/news/changelog-1.3.md
@@ -33,6 +33,7 @@
 
 - reduce font size of `df-print: paged` tables ([#3380](https://github.com/quarto-dev/quarto-cli/issues/3380))
 - `width` and `height` in percent are now correctly supported ([#4063](https://github.com/quarto-dev/quarto-cli/issues/4063))
+- add better margins to numbered lists in the presence of many items and `.scrollable` ([#4283](https://github.com/quarto-dev/quarto-cli/issues/4063)).
 
 ## Dates
 
diff --git a/src/resources/formats/revealjs/quarto.scss b/src/resources/formats/revealjs/quarto.scss
index 4b734d9a1c0..ab5680e46da 100644
--- a/src/resources/formats/revealjs/quarto.scss
+++ b/src/resources/formats/revealjs/quarto.scss
@@ -661,3 +661,18 @@ div.cell-output-display div.pagedtable-wrapper table.table {
     margin-left: 0.25em;
   }
 }
+
+/*
+
+  https://github.com/quarto-dev/quarto-cli/issues/4283
+
+  The trick itself is from here:
+
+  https://stackoverflow.com/questions/8720931/can-css-detect-the-number-of-children-an-element-has
+
+*/
+
+.reveal .scrollable ol li:first-child:nth-last-child(n + 10),
+.reveal .scrollable ol li:first-child:nth-last-child(n + 10) ~ li {
+  margin-left: 1em;
+}