diff --git a/runtime/theme/uab-rc.css b/runtime/theme/uab-rc.css
index 3eb0cad45560fed6973d68a23a22fe157aebc778..4f9c878524a6dd491120182bd2e98485fb795131 100644
--- a/runtime/theme/uab-rc.css
+++ b/runtime/theme/uab-rc.css
@@ -131,7 +131,8 @@ div.reveal div.slides div.quarto-title-authors {
 
 /* headers */
 .reveal h1,
-.reveal h2 .reveal h3,
+.reveal h2,
+.reveal h3,
 .reveal h4,
 .reveal h5,
 .reveal h6 {