\documentclass[aspectratio=169]{beamer}
\usetheme{th-owl}

\input{Packages.tex}

\def \TITLE{Henry Ford vs Elon Musk}
\def \SUBTITLE{Ein Vergleich von Führungsstilen}
\def \AUTHOR{Paul Lödige\\Matrikel Nr.: 15405036}
\def \COMPACTAUTHOR{Paul Lödige}
\def \DATE{WS 2020/21}

\begin{document}

    \definecolor{th-grey}{HTML}{38434b};
    \definecolor{th-red}{HTML}{ed114c};

    %timeline
    \newcommand\ytl[2]{
        \vspace{-2mm}
        \parbox[b]{0.1\textwidth}{\hfill{\color{black}\bfseries\sffamily #1}}\hspace{.05\textwidth}
        \makebox[0pt][c]{\Huge$\blacktriangledown$}\vrule\hspace{.05\textwidth} 
        \parbox[c]{.775\textwidth}{\vspace{5mm}\color{black}\sffamily\normalsize #2\\}
        \vspace{-2mm}
    }
    
    \input{TitlePage.tex}

    \input{Content.tex}

\end{document}