\usepackage[a4paper,portrait,
bmargin=20mm,lmargin=20mm,rmargin=20mm,tmargin=20mm]{geometry}
\usepackage{extsizes}
\usepackage{fontspec}

\usepackage{polyglossia}
\setmainlanguage{french}

\usepackage[acronym,toc]{glossaries}

\usepackage[backend=biber,sorting=anyt]{biblatex}
\usepackage{tocbibind}