beamerouterthemeost.sty

\mode<presentation>

% Frame title
\defbeamertemplate*{frametitle}{ost}[1][]
{
  \leavevmode
  \ifnum \insertpagenumber=1
  \else
    \begin{textblock}{30.7}[0,0](2.24,0.93)
      \begin{beamercolorbox}[sep=0pt]{framesubtitle}
        \usebeamerfont{framesubtitle}\insertframesubtitle\par%
      \end{beamercolorbox}%
    \end{textblock}

    \begin{textblock}{30.7}[0,0](2.24,2.26)
      \begin{beamercolorbox}[sep=0pt]{frametitle}
        \usebeamerfont{frametitle}\insertframetitle\par%
      \end{beamercolorbox}%
    \end{textblock}
  \fi
  \vspace{2cm}
}

\defbeamertemplate*{footline}{ost}
{
  \leavevmode
  \vspace{45pt}
  \ifnum \insertpagenumber=1
  \else
    \begin{textblock}{33.88}[0,0](0,17.93)
      \begin{tikzpicture}
        \useasboundingbox[fill=white](0,0) rectangle(\the\paperwidth,1.12);
        \path [fill=OstDark2] (2.14,0) rectangle (2.24,1.12); 
      \end{tikzpicture}
    \end{textblock}

    \begin{textblock}{14.9}[0,0](\fpeval{2.24 + 0.3},17.93)
      \begin{beamercolorbox}[sep=0pt]{title in head/foot}
        \usebeamerfont{title in head/foot}\let\hyperlink\@secondoftwo\insertshorttitle\par%
      \end{beamercolorbox}%
    \end{textblock}

    \begin{textblock}{\fpeval{1.49 - 0.3}}[0,0](0.75,17.93)
      \begin{beamercolorbox}[sep=0pt]{framenumber}
        \usebeamerfont{framenumber}\hfill\insertframenumber\par%
      \end{beamercolorbox}%
    \end{textblock}
    
    \begin{textblock}{9.38}[0,0](18.04,17.93)
      \begin{beamercolorbox}[sep=0pt]{date}
        \usebeamerfont{date}\insertshortdate\par%
      \end{beamercolorbox}%
    \end{textblock}

    \begin{textblock}{3.72}[0,0](29.88,17.35)
      \includegraphics [height=1.75cm]{logo.pdf}
    \end{textblock}
  \fi
}

\mode<all>