\documentclass{article}

\usepackage[french]{babel}
\usepackage{graphicx}
\usepackage{tabto}
\usepackage[french]{datetime2}
\usepackage{hyperref}
\usepackage[a4paper, total={7in, 12.5in}]{geometry}
\usepackage{fontspec}
\usepackage{parskip}
\usepackage{enumitem}

\geometry{margin=35pt, includeheadfoot}
\setsansfont{Liberation Sans}
\setcounter{secnumdepth}{-2}
\setlength{\parindent}{0cm}
\pagenumbering{arabic}
\setlist[itemize]{label=\textbullet}

\renewcommand{\familydefault}{\sfdefault}

\providecommand{\tightlist}{%
  \setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}}

\title{

  \begin{figure*}[!tp]
  \vspace*{\dimexpr -1in-\topmargin-\headheight-\headsep}%
	  \begin{flushright}
		  \vspace*{7ex}
		  
		  \huge \bf Association Libre en Communs
	  \end{flushright}
	  
	  \vspace*{-10ex}

	  \noindent\makebox[\textwidth]{
		  \includegraphics[width=\paperwidth]{header.png}
	  }

	  \vspace*{-14ex}

	  \begin{flushright}
		  \huge Règlement intérieur \\
		  \Large Version du \today \\ \textbf{(non officielle)}
	  \end{flushright}
	\end{figure*}
	\vspace*{-7ex}
}

\date{}

% --

\begin{document}
  \maketitle