% vim: expandtab tabstop=2 softtabstop=2 shiftwidth=2
%\documentclass[aspectratio=169]{beamer}
\documentclass[aspectratio=43]{beamer}
\usepackage[frenchb,noconfigs]{babel}
\usepackage{ifluatex,ifxetex}
\ifnum 0\ifxetex 1\fi\ifluatex 1\fi=0 % if pdftex
  \usepackage[utf8]{inputenc}
  \usepackage[T1]{fontenc}
\fi

%\usepackage[]{beamerx}
\usepackage[oldscreen]{beamerx}
\usepackage{lipsum}

\title[\hrulefill{}This will probably be a way too long subtitle, but is wanted, actually]
      {\hrulefill{}What do you think of my exageratedly long title?}
      [Wizzilab]
\author{Clément Durand}

\begin{document}
\maketitle

\begin{frame}{Title}
  \lipsum[1]
\end{frame}

\xsection{blue}{Test}

\xsubsection{blue}{Test}{Subtest}

\xsubsection{blue}{Test}{}

\begin{picframe}[lightbw]{light}{Test}
\end{picframe}

\end{document}