--- a/slides/slides03.tex	Thu Oct 05 14:36:54 2023 +0100
+++ b/slides/slides03.tex	Fri Oct 13 15:07:37 2023 +0100
@@ -61,6 +61,15 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
 
+{
+\setbeamercolor{background canvas}{bg=cream}
+\begin{frame}<1-10>[c]
+\end{frame}
+}
+
+
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %\begin{frame}[c]
 %\frametitle{Scala Book, Exams}
@@ -1442,6 +1451,13 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%   
 
+{
+\setbeamercolor{background canvas}{bg=cream}
+\begin{frame}<1-10>[c]
+\end{frame}
+}
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
 \frametitle{Regular Languages (3)}