\begin{part}{Part one}
\begin{section}{Section one}
\begin{partsecframe}
- Hello, these are some bullet points:
+ Hello, these are bullet points:
\begin{itemize}
\begin{item}
Item one
\begin{section}{Section two}
\begin{partsecframe}
Much slide
+
+ \begin{theorem*}
+ This is a theorem.
+ \begin{proof}
+ And its proof.
+ \end{proof}
+ \end{theorem*}
\end{partsecframe}
\begin{partsecframe}
So presentation