\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{postercols}
\RequirePackage[dvipsnames]{xcolor}

\renewcommand\@maketitle{%
  \newpage
  \null
  \vskip 2em%
  \begin{center}%
  \let \footnote \thanks
    {% set colour and font for the title 
    \color{NavyBlue}\sffamily\bfseries\Huge
    \@title \par}%
    \vskip 1.5em%
    {% set colour and font for the author
      \color{CornflowerBlue}\sffamily\large
      \lineskip .5em%
      \begin{tabular}[t]{c}%
        \@author
      \end{tabular}\par}%
    \vskip 1em%
    {% set colour and font for the date
    \color{CornflowerBlue}\sffamily\large \@date}%
  \end{center}%
  \par
  \vskip 1.5em}

\renewcommand\section{%
\@startsection{section}{1}{\z@}%
              {-3.5ex \@plus -1ex \@minus -.2ex}%
              {2.3ex \@plus.2ex}%
              {\color{RoyalBlue}\sffamily\Large\bfseries}}
\renewcommand\subsection{%
\@startsection{subsection}{2}{\z@}%
              {-3.25ex\@plus -1ex \@minus -.2ex}%
              {1.5ex \@plus .2ex}%
              {\color{RoyalBlue}\sffamily\large\bfseries}}

\endinput