Code: Select all
\renewcommand\section{%
\@startsection{section}{1}
{\z@}%
{-3.5ex \@plus -1ex \@minus -.2ex}%
{2.3ex \@plus.2ex}%
{\normalfont\normalsize\bfseries\uppercase}%
}
\renewcommand\subsection{%
\@startsection{subsection}{2}
{\z@}%
{-3.25ex\@plus -1ex \@minus -.2ex}%
{2.3ex \@plus.2ex}%
{\normalfont\normalsize\MakeUppercase}
}
\renewcommand\subsubsection{%
\@startsection{subsubsection}{3}
{\z@}%
{-3.25ex\@plus -1ex \@minus -.2ex}%
{2.3ex \@plus.2ex}%
{\normalfont\normalsize\bfseries}
}