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 b2c3e97..bd99e14 100644
--- a/inst/reveal.js-5.2.1/dist/theme/ids.css
+++ b/inst/reveal.js-5.2.1/dist/theme/ids.css
@@ -464,12 +464,13 @@
 
 .reveal .slides section:not(.title-frame) > h1:first-child:not(:has(+ h3)),
 .reveal .slides section:not(.title-frame) > h2:first-child:not(:has(+ h3)) {
-  margin-bottom: calc(8px + 45.36px + 20px) !important;
+  padding-top: calc((8px + 45.36px) / 2) !important;
+  margin-bottom: calc((8px + 45.36px) / 2 + 20px) !important;
 }
 
 .reveal .slides section:not(.title-frame) > h1:first-child:not(:has(+ h3))::before,
 .reveal .slides section:not(.title-frame) > h2:first-child:not(:has(+ h3))::before {
-  height: calc(100% + 8px + 45.36px) !important;
+  height: calc(100% + (8px + 45.36px) / 2) !important;
 }
 
 .reveal .slides section:not(.title-frame) > h2:first-child + h3 {