diff --git a/_extensions/cours/after-header-includes.latex b/_extensions/cours/after-header-includes.latex
index 0dc8540..6d570b4 100644
--- a/_extensions/cours/after-header-includes.latex
+++ b/_extensions/cours/after-header-includes.latex
@@ -46,6 +46,16 @@ indent=4em
 \renewcommand \thesubsubsection{\alph{subsubsection}}
 \renewcommand*{\subsubsectionformat}{\circled{\thesubsubsection}\enskip}
 
+\newlist{questions}{enumerate}{2}
+\setlist[questions]{labelindent=0em, leftmargin=*, labelsep=0.5em}
+\setlist[questions, 1]{label=\textbf{\arabic*.}}
+\setlist[questions, 2]{label=\textbf{\alph*)}}
+\newlist{questionsl}{enumerate*}{1}
+\setlist*[questionsl]{label=\textbf{\alph*)}}
+\setlist[enumerate, 1]{label=\textbf{\arabic*.}, leftmargin=*, labelsep=.5em}
+\setlist[enumerate, 2]{label=\textbf{\alph*)}}
+\setlist[description]{font=\sffamily\bfseries}
+
 %% GRAPHICS PATH
 \graphicspath{{images/}}