\setlength{\footskip}{1cm} \setlength{\topmargin}{0cm}
\setlength{\hoffset}{-1cm} \setlength{\voffset}{-1.8cm}
\setlength{\headheight}{0.5cm} \setlength{\headsep}{0.2cm}
\setlength{\textheight}{26.5cm} \setlength{\marginparwidth}{0cm}
\setlength{\textwidth}{18cm} \setlength{\oddsidemargin}{0cm}
\setlength{\marginparsep}{0cm} \setlength{\evensidemargin}{0cm}
\setlength{\parindent}{0pt}
\renewcommand{\arraystretch}{1}	%espacement dans les tableaux (dilatation)
\setstretch{1}	% interligne