diff --git a/quarto/templates/slides/index00.qmd b/quarto/templates/slides/index00.qmd
index 8e0eb7d..090d1a2 100644
--- a/quarto/templates/slides/index00.qmd
+++ b/quarto/templates/slides/index00.qmd
@@ -51,7 +51,7 @@ format:
 :::
 
 
-## Hello :robot:
+## Hello :robot: {background="#43464B"}
 
 This presentation will show you examples of what you can do with Quarto and [Reveal.js](https://revealjs.com), including:
 
@@ -94,7 +94,7 @@ Learn more: [Media Backgrounds](https://quarto.org/docs/presentations/revealjs/#
 :::
 
 
-## Tabsets
+## Tabsets {background="#43464B"}
 
 ::: {.panel-tabset}