\renewcommand*\ttdefault{lmtt}
\renewcommand*\familydefault{\sfdefault}

\sectionfont{\ttfamily\sectionrule{1em}{1pt}{0pt}{0pt}}
\subsectionfont{\ttfamily$\blacktriangle$ }

\renewcommand{\maketitle}{
  {\large%
    \ttfamily
    {\bfseries\@title}%
    \ifx\@date\empty%
    \else%
      \ // \@date%
    \fi%
  }%
}