\usefonttheme{UMBC}
\usecolortheme{UMBC}
+% Create a slide introducing new sections.
+\AtBeginSection[]{
+ \begin{frame}
+ \frametitle{Part \thepart, Section \thesection}
+ \vfill
+ \begin{center}
+ \usebeamerfont{title}\insertpart: \insertsectionhead\par%
+ \end{center}
+ \vfill
+ \end{frame}
+}
+
\mode<all>