\renewcommand{\section}{\@startsection{section}{1}{\z@}%
   {.4\Cvs \@plus.1\Cdp \@minus.1\Cdp}%
   {.2\Cvs \@plus.1\Cdp}%
   {\reset@font\Large\bfseries}}

\newenvironment{myitemize}
  {\advance\@itemdepth\@ne
   \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
   \expandafter
   \list{\csname \@itemitem\endcsname}{%
         \setlength{\topsep}{0.4em}
         \setlength{\parsep}{0.0em}
         \setlength{\itemsep}{0.2em}
         \labelwidth1zw \labelsep.3zw
         \ifnum \@itemdepth =\@ne \leftmargin1zw\relax
           \else\leftmargin\leftskip\fi
         \advance\leftmargin 1zw
         \def\makelabel##1{\hss\llap{##1}}}%
   }{\endlist}
