\usepackage[default,osfigures,scale=0.95]{opensans}
 \usepackage{xspace}
 \usepackage{fancyhdr}
 \usepackage{graphicx}
 \usepackage{enumitem}
 \usepackage[sf,bf]{titlesec}
 \usepackage{titletoc}
 \usepackage[paper=a4paper,headheight=30pt,tmargin=1.5in,bmargin=1in]{geometry}
%\usepackage{layouts}

 \renewlist{itemize}{itemize}{9}
 \setlist[itemize]{label=\textbullet}

% The LaTeX Companion -- p. 204.
% Miniature display of the page layout.
%\newcommand{\showpage}{%
%  \setlayoutscale{0.65}\setlabelfont{\tiny}%
%  \printheadingsfalse\printparametersfalse%
%  \currentpage\pagedesign%
%}

 \titlecontents{section}[0pc]
   {\sffamily\bfseries}                                   % above code.
   {\contentslabel{1pc}}                                  % numbered entry format.
   {}                                                     % numberless entry format.
   {\titlerule*[8pt]{.}\textsc{\textbf{{\contentspage}}}} % page format.
 \titlecontents{subsection}[0pc]
   {\sffamily}                                            % above code.
   {\contentslabel{2pc}}                                  % numbered entry format.
   {}                                                     % numberless entry format.
   {\titlerule*[8pt]{.}\textsc{\textbf{{\contentspage}}}} % page format.
 \titlecontents{subsubsection}[1pc]
   {\sffamily}                                            % above code.
   {\contentslabel{2pc}}                                  % numbered entry format.
   {}                                                     % numberless entry format.
   {\titlerule*[8pt]{.}\textsc{\textbf{{\contentspage}}}} % page format.

 \newcommand{\key}[1]{\raisebox{-0.5\baselineskip}{\rule{0pt}{1.5\baselineskip}}\fbox{\textsf{#1}}}

 \newcommand{\DUroleul}[1]{\underline{#1}\xspace}
 \newcommand{\DUrolesc}[1]{\textsc{#1}\xspace}
 \newcommand{\DUrolecb}[1]{\textbf{\texttt{#1}}\xspace}

 \newcommand{\DUtitlenote}[1]{\noindent\textbf{#1}\smallskip}

 \newcommand{\DUadmonitionnote}[1]{%
   \begin{center}
     \sffamily
     \begin{array}[t]{m{1cm}!{\vrule width 1pt}m{.90\textwidth}}
       \raisebox{0.0cm}{\includegraphics[scale=0.5]{./images/clipboard.eps}} &
       \begin{minipage}[t]{.85\textwidth} #1
       \end{minipage} \\
     \end{array}
   \end{center}
 }

 \newcommand{\DUtitleerror}[1]{\noindent\textbf{\color{red}#1}\smallskip}

 \newcommand{\DUadmonitionerror}[1]{%
   \begin{center}
     \sffamily
     \begin{array}[t]{m{1cm}!{\vrule width 1pt}m{.90\textwidth}}
       \raisebox{0.0cm}{\includegraphics[scale=0.5]{./images/i-core.eps}} &
       \begin{minipage}[t]{.85\textwidth} #1
       \end{minipage} \\
     \end{array}
   \end{center}
 }

 \newcommand{\LIP}                {\textsc{lip6}\xspace}
 \newcommand{\SoC}                {\textsc{S}o\textsc{C}\xspace}

 \renewcommand{\headrulewidth}{0.2mm}
 \renewcommand{\footrulewidth}{0.2mm}
 \renewcommand{\sectionmark}[1]{\markboth{\thesection\ #1}{\thesection\ #1}}
 \renewcommand{\subsectionmark}[1]{}
 \lhead[]{Documentation \SoC}
 \rhead[]{Avril 2012}
 \lfoot[]{\LIP/\SoC}
 \rfoot[]{\thepage}
 \cfoot[]{}

 \pagestyle{fancy}