diff --git a/data/templates/linear-algebra/base/exam.tex b/data/templates/linear-algebra/base/exam.tex
index f5eed6f..f3806f8 100644
--- a/data/templates/linear-algebra/base/exam.tex
+++ b/data/templates/linear-algebra/base/exam.tex
@@ -1,56 +1,61 @@
 \documentclass[a4paper]{article}
 
 \usepackage[utf8]{inputenc} %Unicode
 \usepackage[T1]{fontenc}
 \usepackage{xcolor}
 \usepackage{fix-cm}
 \usepackage[lang=#LANG#,bloc]{automultiplechoice}
 
 % Color used for signature box
 \definecolor{light-Gray}{gray}{0.95}
 
 %%% Default packages
 \input{./packages.tex}
 % #COMMON_PACKAGES#		% Common packages for all exams
 % #EXTRA_PACKAGES#		% Extra packages for this exam
 
 %%% Formating specific to EPFL
 \input{./style_extra.tex}
 \input{./true-false.tex}	% Language dependent !
 \input{./question-text.tex}	% Language dependent !
 
 %%% Professor specific imports
 \input{./professor.tex}
 \input{./style_professor.tex}
 
 %%% New commands (or renewed)
 % #COMMON_COMMANDS#		% Common commands for all exams
 % #EXTRA_COMMANDS#		% Extra commands for this exam
 
 %%% Randomseed
 \input{./random-seed.tex}
 
+%%% increase the space between header and bottom for AMC control dots
+\renewcommand{\baselinestretch}{1.20}% ESPACEMENT VERTICAL
+\geometry{includeheadfoot,hmargin=2.75cm,headheight=2cm,headsep=0.2cm}
+\geometry{footskip=.8cm,top=.5cm,bottom=1.1cm,paper=a4paper}
+
 \begin{document}
 
 %%% Import sections
 \input{./sections.tex}
 
 \newcommand{\sujet}{
   \onecopy{1}{
   %%% debut de l'en-tête des copies :
   \input{./first_page.tex}
 
   \input{./random-sections.tex}
 
   % #EXTRA_SECTION#		% Extra section for this exam
 
   % Make sure that all the exams have the same number of pages (otherwise Repro will not be able to print!)
   \loop \ifnum \thepage < \totalPages  \clearpage ~ \repeat
 
   \AMCassociation{\ID}
   }
 }
 
 \csvreader[head to column names]{./students.csv}{}{\sujet}
 
 \end{document} 
diff --git a/data/templates/linear-algebra/base/style_extra.tex b/data/templates/linear-algebra/base/style_extra.tex
index 6795dd5..4b3769c 100644
--- a/data/templates/linear-algebra/base/style_extra.tex
+++ b/data/templates/linear-algebra/base/style_extra.tex
@@ -1,101 +1,104 @@
+%%Package for tabular in openquestion
+\usepackage{array}
+
 %% Default values for open questions:
 \AMCopenOpts{lines=10,lineheight=2ex,framerulecol=black,dots=false}
 
 \newcommand{\letter}{A}
 
 \makeatletter
 \renewcommand{\theenumi}{\alph{enumi}}
 \renewcommand{\labelenumi}{(\theenumi)}
 \makeatother
 
 %% OpenBox commands ============================
 \newcommand{\OpenBox}[1]{
 \noindent
   \fbox{
     \centering
     \begin{minipage}{1.0\textwidth}
 ~
     \vspace{#1}
 ~
     \end{minipage}
   }
 }
 
 \newcommand{\FullPageOpenBox}{
   \clearpage
   \OpenBox{23cm}
 }
 
 %% OpenGrid commands ============================
 \newcommand{\OpenGrid}[1]{
 \noindent
 \begin{tikzpicture}
 \draw[step=.5cm,lightgray]
 (0cm,0cm) grid (15.5cm,#1);
 \end{tikzpicture}
 }
 
 \newcommand{\FullPageOpenGrid}{
   \clearpage
   \OpenGrid{23cm}
 }
 
 \newcommand{\FullPageOpenGridForever}{
 	\loop \ifnum \thepage < \totalPages  \FullPageOpenGrid \repeat
 }
 
 \newcommand{\FullPageOpenBoxForever}{
 	\loop \ifnum \thepage < \totalPages  \FullPageOpenBox \repeat
 }
 
 
 %% ==============================================
 % Single points
 
 \newcommand{\openquestionmax}{1}
 
 \newcommand{\correctorPointsPerGroup}[1]{
 \renewcommand{\openquestionmax}{#1}
 }
 
 \newcommand{\correctorChoices}{\correctchoice[0]{}\scoring{b=0}\correctchoice[Y]{}\scoring{b=\openquestionmax/4}\correctchoice[X]{}\scoring{b=\openquestionmax/2}\correctchoice[W]{}\scoring{b=\openquestionmax*3/4}\correctchoice[V]{\qquad}\scoring{b=\openquestionmax}}
 
 
 \newcommand{\correctorOne}[3][0]{
 \par
 \noindent
 \begin{questionmultx}{#2}\bareme{MAX=\openquestionmax}
 #3~\\
 \noindent\AMCOpen{lines=#1,boxframerulecol=lightgray,framerulecol=white}{\correctorChoices\makebox[218.6pt][c]{}}
 \end{questionmultx}
 \vspace{-55pt}~
 \par
 }
 
 \newcommand{\correctorTwo}[3][0]{
 \par
 \noindent\begin{questionmultx}{#2}\bareme{MAX=\openquestionmax*2}
 #3~\\
 \noindent\AMCOpen{lines=#1,boxframerulecol=lightgray,framerulecol=white}{\correctorChoices\correctorChoices\makebox[109.8pt][c]{}}
 \end{questionmultx}
 \vspace{-55pt}~
 \par
 }
 
 \newcommand{\correctorThree}[3][0]{
 \par
 \noindent
 \begin{questionmultx}{#2}\bareme{MAX=\openquestionmax*3}
 #3~\\
 \noindent\AMCOpen{lines=#1,boxframerulecol=lightgray,framerulecol=white}{\correctorChoices\correctorChoices\correctorChoices\makebox[1pt][c]{}}
 \end{questionmultx}
 \vspace{-55pt}~
 \par
 }
 
 \newcommand{\correctorStop}{
 \bigskip
 
 
 \noindent
 }
diff --git a/data/templates/linear-algebra/de/first_page.tex b/data/templates/linear-algebra/de/first_page.tex
index ab8f70e..583e4f3 100644
--- a/data/templates/linear-algebra/de/first_page.tex
+++ b/data/templates/linear-algebra/de/first_page.tex
@@ -1,51 +1,51 @@
 % First page - GERMAN
 
 \noindent
 \begin{minipage}[c]{350pt}
   \bf \prof~-~\ExamName~-~\SECTION \\
   ~ \\
   \bf \ExamDate~-~Dauer: \Time
 \end{minipage}
 \begin{minipage}[c]{100pt}
   \includegraphics[scale=0.24]{Logo_EPFL}
 \end{minipage}
 
 \vfill
 \begin{minipage}[c]{\textwidth}
 \noindent
 \hfill\fontsize{100}{120}{\selectfont{\ID{}}}\hfill
 \vspace{1cm}
 \par
 \noindent
 \begin{center}
 \fontsize{40}{48}{\selectfont{\NAME{}}}
 \end{center}
 \end{minipage}
 \vfill
 
 \noindent
 \namefield{SCIPER: {\Large \bf  \SCIPER{} }}%SIGNATURE \hfill Unterschrift:~\textcolor{light-Gray}{\rule{5cm}{1.5cm}}
 \\ ~ \\
 \noindent
 \textbf{Drehen Sie diese Seite nicht um, bevor Sie dazu aufgefordert werden.}
 \textbf{Jedes Blatt hat eine Vorder- und eine R\"uckseite. Es gibt  \totalPages\ Seiten, die letzten sind m\"oglicherweise leer.}
 \textbf{L\"osen Sie nicht die Heftklammern.}
 
 \begin{itemize}
 \item[--] Legen Sie Ihren Studentenausweis auf den Tisch.
 \item[--] Es sind \textbf{keine} weiteren Unterlagen zugelassen.
 \item[--] Die Nutzung eines \textbf{Taschenrechners} oder jedes anderen elektronischen Hilfsmittels ist w\"ahrend der Pr\"ufung nicht gestattet.
 \item[--] F\"ur die \textbf{Multiple Choice} Fragen erh\"alt man:
   \begin{itemize}
   \item [$+3$] Punkte, wenn die Antwort richtig ist,
   \item [$0$] Punkte, wenn die Frage nicht beantwortet ist oder mehrere M\"oglichkeiten angekreuzt sind, und
   \item [$-1$] Punkt, wenn die Antwort falsch ist. 
   \end{itemize}
 \item[--] Benutzen Sie einen \textbf{Kugelschreiber mit schwarzer oder blauer Tinte} und verwenden Sie Korrekturfl\"ussigkeit (z.B. Tipp-Ex) um bei Bedarf Ihre Antwort zu \"andern.
 \item[--] Falls eine Fragestellung einen Fehler enth{\"a}lt, darf der/die Unterrichtende die entsprechende Frage annulieren.
 \item[--] Beachten Sie bitte die unten stehenden Richtlinien zum Markieren \textbf{der Antworten}:
 \end{itemize}
 
-\hfill \hspace{-40px}\includegraphics[scale=0.2]{good_bad_square} \hfill
+\hfill \hspace{-22px}\includegraphics[scale=0.18]{good_bad_square} \hfill
 
 % End of first page
diff --git a/data/templates/linear-algebra/en/first_page.tex b/data/templates/linear-algebra/en/first_page.tex
index 7b517f3..0aa81b6 100644
--- a/data/templates/linear-algebra/en/first_page.tex
+++ b/data/templates/linear-algebra/en/first_page.tex
@@ -1,52 +1,52 @@
 % First page - ENGLISH
 
 \noindent
 \begin{minipage}[c]{350pt}
   \bf \prof~-~\ExamName~-~\SECTION \\
   ~ \\
   \bf \ExamDate~-~duration: \Time
 \end{minipage}
 \begin{minipage}[c]{100pt}
   \includegraphics[scale=0.24]{Logo_EPFL}
 \end{minipage}
 
 \vfill
 \begin{minipage}[c]{\textwidth}
 \noindent
 \hfill\fontsize{100}{120}{\selectfont{\ID{}}}\hfill
 \vspace{1cm}
 \par
 \noindent
 \begin{center}
 \fontsize{40}{48}{\selectfont{\NAME{}}}
 \end{center}
 \end{minipage}
 \vfill
 
 \noindent
 \namefield{SCIPER: {\Large \bf  \SCIPER{} }}%SIGNATURE \hfill Signature:~\textcolor{light-Gray}{\rule{5cm}{1.5cm}}
 \\ ~ \\
 \noindent
 \textbf{Do not turn the page before the start of the exam.}
 \textbf{This document is double-sided, has \totalPages\ pages, the last ones possibly blank.}
 \textbf{Do not unstaple.}
 
 \medskip
 \begin{itemize}
 \item[--] Place your student card on your table.
 \item[--] \textbf{No other paper materials} are allowed to be used during the exam.
 \item[--] Using a \textbf{calculator} or any electronic device is not permitted during the exam.
 \item[--] For the \textbf{multiple choice} questions, we give
   \begin{itemize}
   \item [$+3$] points if your answer is correct,
   \item [$0$] points if you give no answer or more than one,
   \item [$-1$] points if your answer is incorrect.
   \end{itemize}
 \item[--] Use a \textbf{black or dark blue ballpen} and clearly erase with \textbf{correction fluid} if necessary.
 \item[--] If a question is wrong, the teacher may decide to nullify it.
 \item[--] Observe these guidelines when \textbf{recording your answers}:
 \end{itemize}
 
-\hfill \hspace{-40px}\includegraphics[scale=0.2]{good_bad_square} \hfill
+\hfill \hspace{-22px}\includegraphics[scale=0.18]{good_bad_square} \hfill
 
 % End of first page
diff --git a/data/templates/linear-algebra/fr/first_page.tex b/data/templates/linear-algebra/fr/first_page.tex
index f5977db..e677db6 100644
--- a/data/templates/linear-algebra/fr/first_page.tex
+++ b/data/templates/linear-algebra/fr/first_page.tex
@@ -1,53 +1,53 @@
 % First page - FRENCH
 
 \noindent
 \begin{minipage}[c]{350pt}
   \bf \prof~-~\ExamName~-~\SECTION \\
   ~ \\
   \bf \ExamDate~-~durée\,: \Time
 \end{minipage}
 \begin{minipage}[c]{100pt}
   \includegraphics[scale=0.24]{Logo_EPFL}
 \end{minipage}
 
 \vfill
 \begin{minipage}[c]{\textwidth}
 \noindent
 \hfill\fontsize{100}{120}{\selectfont{\ID{}}}\hfill
 \vspace{1cm}
 \par
 \noindent
 \begin{center}
 \fontsize{40}{48}{\selectfont{\NAME{}}}
 \end{center}
 %\hfill\fontsize{40}{48}{\selectfont{\NAME{}}}\hfill~
 \end{minipage}
 \vfill
 
 \noindent
 \namefield{SCIPER\,: {\Large \bf  \SCIPER{} }}%SIGNATURE \hfill Signature\,:~\textcolor{light-Gray}{\rule{5cm}{1.5cm}}
 \\ ~ \\
 \noindent
 \textbf{Attendez le d\'ebut de l'\'epreuve avant de tourner la page.}
 \textbf{Ce document est imprim\'e recto-verso, il contient \totalPages\ pages, les derni\`eres pouvant \^etre vides.}
 \textbf{Ne~pas d\'egrafer.}
 
 \medskip
 \begin{itemize}
 \item[--] Posez votre carte d'\'etudiant sur la table.
 \item[--] \textbf{Aucun} document n'est autoris\'{e}. 
 \item[--] L'utilisation d'une \textbf{calculatrice} et de tout outil \'electronique est interdite pendant l'\'epreuve.
 \item[--] Pour les questions \`a \textbf{choix multiple}, on comptera\,:
   \begin{itemize}
   \item [$+3$] points si la r\'eponse est correcte,
   \item [$0$] point si la question n'est pas r\'epondue ou s'il y a plusieurs croix,
   \item [$-1$] point si la r\'eponse est incorrecte. 
   \end{itemize}
 \item[--] Utilisez un \textbf{stylo} \`a encre \textbf{noire ou bleu fonc\'e} et effacez proprement avec du\linebreak\textbf{correcteur blanc} si n\'ecessaire.
 \item[--] Si une question est erronée, l'enseignant se réserve le droit de l'annuler.
 \item[--] Respectez les consignes suivantes pour \textbf{marquer vos réponses}\,:
 \end{itemize}
 
-\hfill \hspace{-40px}\includegraphics[scale=0.2]{good_bad_square} \hfill
+\hfill \hspace{-22px}\includegraphics[scale=0.18]{good_bad_square} \hfill
 
 %% End of first page