diff --git a/presentation_irstea/CouvCadreMarineGH.eps b/presentation_irstea/CouvCadreMarineGH.eps
new file mode 100644
index 0000000000000000000000000000000000000000..884760e6db2c0dfc0efeddf130901c3728d2e80d
Binary files /dev/null and b/presentation_irstea/CouvCadreMarineGH.eps differ
diff --git a/presentation_irstea/beamercolorthemeirstea.sty b/presentation_irstea/beamercolorthemeirstea.sty
new file mode 100644
index 0000000000000000000000000000000000000000..bf1bc8fc10f3b4201665744b7a15d89938e0ce81
--- /dev/null
+++ b/presentation_irstea/beamercolorthemeirstea.sty
@@ -0,0 +1,38 @@
+\mode<presentation>
+
+% Settings
+%\setbeamercolor{headline}{fg=tabutter,bg=black}
+%\setbeamercolor{headline}{fg=marine,bg=white}
+\setbeamercolor{headline}{fg=black,bg=white}
+%\setbeamercolor{headline}{fg=black,bg=gris!8}
+\setbeamercolor{footline}{fg=marine, bg=white}
+\setbeamerfont{footline}{size=\large,series=\tt}
+\setbeamercolor{separation line}{bg=white}
+\setbeamercolor{title in headline}{fg=gris}
+\setbeamercolor{author in headline}{fg=ocean}
+\setbeamercolor{institute in headline}{fg=acier}
+
+\setbeamercolor{frametitle}{fg=gris}
+\setbeamercolor{framesubtitle}{fg=ocean}
+\setbeamercolor{author in head/foot}{fg=ocean, bg=white}
+\setbeamercolor{title in head/foot}{fg=ocean, bg=white}
+
+\setbeamercolor*{normal text}{fg=marine, bg=white}
+%\setbeamercolor*{block body}{bg=white,fg=black}
+\setbeamercolor*{block body}{bg=gris!10,fg=black}
+%\setbeamercolor*{block title}{fg=bleufonce,bg=white}
+\setbeamercolor*{block title}{fg=bleufonce,bg=gris!22}
+\setbeamerfont{block title}{size=\large,series=\bf}
+\setbeamercolor{upper separation line head}{fg=white}
+
+\setbeamercolor*{example body}{fg=prairie,bg=white}
+\setbeamercolor*{example text}{fg=prairie,bg=white}
+\setbeamercolor*{example title}{bg=ocean,fg=white}
+
+%\setbeamercolor{alerted text}{fg=ta3gray}
+
+%\setbeamercolor{example text}{fg=taorange}
+\setbeamercolor{structure}{fg=blue!50}
+
+\mode
+<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamercolorthemetexsx.sty b/presentation_irstea/beamercolorthemetexsx.sty
new file mode 100644
index 0000000000000000000000000000000000000000..45bfd9de4e9832769a7d279502796de02057bc8a
--- /dev/null
+++ b/presentation_irstea/beamercolorthemetexsx.sty
@@ -0,0 +1,9 @@
+\mode<presentation>
+
+% Settings
+\setbeamercolor*{title page header}{fg=white}
+\setbeamercolor*{author}{fg=white}
+\setbeamercolor*{date}{fg=white}
+
+\mode
+<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamerinnerthemeirstea.sty b/presentation_irstea/beamerinnerthemeirstea.sty
new file mode 100644
index 0000000000000000000000000000000000000000..70a0041413f8aefa5200647f4ef1806ce7612ab8
--- /dev/null
+++ b/presentation_irstea/beamerinnerthemeirstea.sty
@@ -0,0 +1,40 @@
+\mode<presentation>
+
+% Title page
+\defbeamertemplate*{title page}{irstea}[1][]
+{
+ \begin{overpic}[width=4cm,height=4cm,keepaspectratio]{presentation_irstea/CouvCadreMarineGH}
+ \put(0,0){
+ \begin{minipage}{\linewidth}
+ \hspace{0.1\linewidth}
+ \begin{minipage}{0.90\linewidth}
+ \begin{flushleft}
+ \usebeamercolor{title in headline}{\color{fg}\textbf{\LARGE{\inserttitle}}\\[1ex]}
+ \end{flushleft}
+ \end{minipage}
+ \hspace*{0.4\linewidth}
+ \begin{minipage}{0.6\linewidth}
+ \vspace{4ex}
+ \begin{flushleft}
+ \usebeamercolor{author in headline}{\color{fg}\large{\insertauthor}\\[1ex]}
+ \usebeamercolor{institute in headline}{\color{fg}\large{\insertdate}\\[1ex]}
+ \end{flushleft}
+ \end{minipage}
+ \end{minipage}
+ }
+ \end{overpic}
+
+ \vspace{3cm}
+ \begin{minipage}{0.49\linewidth}
+ \includegraphics[height=1.5cm,keepaspectratio]{presentation_irstea/logo_irstea_rvb}
+ \end{minipage}
+ \begin{minipage}{0.49\linewidth}
+ \begin{flushright}
+ \includegraphics[height=1cm,keepaspectratio]{\logopartenaire}
+ \end{flushright}
+ \end{minipage}
+}
+
+
+\mode
+<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamerinnerthemetexsx.sty b/presentation_irstea/beamerinnerthemetexsx.sty
new file mode 100644
index 0000000000000000000000000000000000000000..6050cf599c33b9ead170eebce6060ac938bdb4ee
--- /dev/null
+++ b/presentation_irstea/beamerinnerthemetexsx.sty
@@ -0,0 +1,34 @@
+\mode<presentation>
+
+\setbeamertemplate{background}{
+ \begin{tikzpicture}
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \fill[color=brown] (0,2) rectangle (\the\paperwidth,\the\paperheight);
+ \fill[color=orange] (0,0) rectangle(2.95,1.9);
+ \fill[color=blue!50!cyan!80] (3.05,0) rectangle(\the\paperwidth,1.9);
+ \ifnum\thepage>1\relax%
+ \fill[white,opacity=1] (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \fi
+ \end{tikzpicture}
+}
+
+% Title page
+\defbeamertemplate*{title page}{texsx}[1][]
+{
+ \vskip6cm%
+ \begin{beamercolorbox}[wd=12cm,leftskip=3cm,sep=8pt,#1]{title page header}
+ \usebeamerfont{title}\inserttitle\par%
+ \end{beamercolorbox}%
+ \vskip0.75cm%
+ \begin{beamercolorbox}[wd=12cm,leftskip=3cm,#1]{author}
+ \usebeamerfont{author}\insertauthor%
+ \end{beamercolorbox}
+ \vskip0.2cm%
+ \begin{beamercolorbox}[wd=12cm,leftskip=3cm,#1]{date}
+ \usebeamerfont{author}\insertdate%
+ \end{beamercolorbox}
+ \vfill
+}
+
+\mode
+<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamerouterthemeirstea.sty b/presentation_irstea/beamerouterthemeirstea.sty
new file mode 100644
index 0000000000000000000000000000000000000000..d66b9b578ed5ea37ae383ab5c78d2ebc6f300064
--- /dev/null
+++ b/presentation_irstea/beamerouterthemeirstea.sty
@@ -0,0 +1,24 @@
+\mode<presentation>
+
+% Frame title
+\defbeamertemplate*{frametitle}{irstea}[1][]
+{
+ \begin{beamercolorbox}[wd=\paperwidth,ht=1.2cm]{frametitle}
+ \begin{tikzpicture}
+ \node[anchor=south west] (gimmick_irstea) at (1,0)
+ {\includegraphics[width=1cm,keepaspectratio]{presentation_irstea/CouvCadreMarineGH}};
+
+ \useasboundingbox(0,0) rectangle(\the\paperwidth,1.2);
+ \ifx\insertframesubtitle\@empty%
+ {\node[anchor=west, gris,font=\Large] at (1.5,0.41){\insertframetitle};}
+ \else%
+ {\node[anchor= west, gris,font=\Large] at (1.5,0.61){\insertframetitle};%
+ \node[anchor= west, ocean,font=\large] at (1.5,0.11){\textsc{\insertframesubtitle}};}%
+ \fi
+ \end{tikzpicture}
+ \end{beamercolorbox}
+}
+
+
+
+\mode<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamerouterthemetexsx.sty b/presentation_irstea/beamerouterthemetexsx.sty
new file mode 100644
index 0000000000000000000000000000000000000000..137e7562f2f24ac372046c2d91557a7353f7c504
--- /dev/null
+++ b/presentation_irstea/beamerouterthemetexsx.sty
@@ -0,0 +1,22 @@
+\mode<presentation>
+
+% Frame title
+\defbeamertemplate*{frametitle}{texsx}[1][]
+{
+\vskip1cm%
+ \begin{beamercolorbox}[wd=\paperwidth,ht=1.2cm]{frametitle}
+ \begin{tikzpicture}
+ \useasboundingbox[fill=white](0,0) rectangle(\the\paperwidth,1.2);
+ \fill[orange] (0,0) rectangle(2.95,1.2);
+ \fill[blue!50!cyan!80] (3.05,0) rectangle(\the\paperwidth,1.2);
+ \ifx\insertframesubtitle\@empty%
+ {\node[anchor=west, white,font=\large] at (3.2,0.61){\insertframetitle};}
+ \else%
+ {\node[anchor= west, white,font=\large] at (3.2,0.81){\insertframetitle};%
+ \node[anchor= west, white,font=\small] at (3.2,0.41){\insertframesubtitle};}%
+ \fi
+ \end{tikzpicture}
+ \end{beamercolorbox}
+}
+
+\mode<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamerthemeirstea.sty b/presentation_irstea/beamerthemeirstea.sty
new file mode 100644
index 0000000000000000000000000000000000000000..ae0d016ee651c0edf255ddf4c0fd1caa12921b22
--- /dev/null
+++ b/presentation_irstea/beamerthemeirstea.sty
@@ -0,0 +1,32 @@
+\usepackage{overpic} % For header page
+
+% Définition de la police du document http://stackoverflow.com/q/877597
+\usepackage{times}
+
+\renewcommand{\familydefault}{\sfdefault}
+\urlstyle{sf} % font of url links http://tex.stackexchange.com/a/668
+
+\mode<presentation>
+
+% Requirement
+\RequirePackage{tikz}
+\RequirePackage{rapport_irstea/irsteacolors}
+
+% Settings
+\selectcolormodel{rgb}
+
+% Theme definition
+\useinnertheme{irstea}
+\useoutertheme{irstea}
+\usecolortheme{irstea}
+
+\setbeamertemplate{navigation symbols}{}
+\setbeamertemplate{blocks}[rounded][shadow=true]
+\setbeamertemplate{footline}[frame number]
+\setbeamerfont{footline}{size=\fontsize{9}{11}\selectfont} %https://tex.stackexchange.com/a/26899/124910
+\setbeamercolor{section in toc}{fg=marine}
+\setbeamercolor{subsection in toc}{fg=ocean}
+\setbeamercolor{itemize item}{fg=ocean}
+\setbeamercolor{enumerate item}{fg=ocean}
+
+\mode<all>
\ No newline at end of file
diff --git a/presentation_irstea/beamerthemetexsx.sty b/presentation_irstea/beamerthemetexsx.sty
new file mode 100644
index 0000000000000000000000000000000000000000..159b8fce86f5f0eb7709a807f3345921315df945
--- /dev/null
+++ b/presentation_irstea/beamerthemetexsx.sty
@@ -0,0 +1,14 @@
+\mode<presentation>
+
+% Requirement
+\RequirePackage{tikz}
+
+% Settings
+\useinnertheme{texsx}
+\useoutertheme{texsx}
+\usecolortheme{texsx}
+
+\setbeamertemplate{navigation symbols}{}
+\setbeamertemplate{blocks}[rounded][shadow=true]
+
+\mode<all>
\ No newline at end of file
diff --git a/presentation_irstea/logo_irstea_rvb.eps b/presentation_irstea/logo_irstea_rvb.eps
new file mode 100644
index 0000000000000000000000000000000000000000..e94263718da228faf71096a6283c35902371a8b3
Binary files /dev/null and b/presentation_irstea/logo_irstea_rvb.eps differ
diff --git a/presentation_irstea/preambule.tex b/presentation_irstea/preambule.tex
new file mode 100644
index 0000000000000000000000000000000000000000..9b8194fe39155db8b9208153c44407e707b2941a
--- /dev/null
+++ b/presentation_irstea/preambule.tex
@@ -0,0 +1,42 @@
+\usepackage[utf8]{inputenc}
+\usepackage[french]{babel}
+\usepackage[T1]{fontenc}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+\usepackage{amssymb}
+\usepackage{graphicx}
+
+
+% Beamer themes on custom folder
+% @see https://tex.stackexchange.com/a/284157
+% @usage For a theme "MYTHEME" in a subfolder named "Theme"
+% \usefolder{Theme}
+% \usetheme{MYTHEME}
+\makeatletter
+ \def\beamer@calltheme#1#2#3{%
+ \def\beamer@themelist{#2}
+ \@for\beamer@themename:=\beamer@themelist\do
+ {\usepackage[{#1}]{\beamer@themelocation/#3\beamer@themename}}}
+
+ \def\usefolder#1{
+ \def\beamer@themelocation{#1}
+ }
+ \def\beamer@themelocation{}
+
+
+% Choose the custom folder for beamer theme
+\usefolder{presentation_irstea}
+\usetheme{irstea}
+
+
+% Automatic frame titles and subtitles from section and subsection
+% @see https://tex.stackexchange.com/a/15429
+\addtobeamertemplate{frametitle}{
+ \let\insertframetitle\insertsectionhead}{}
+\addtobeamertemplate{frametitle}{
+ \let\insertframesubtitle\insertsubsectionhead}{}
+\makeatletter
+ \CheckCommand*\beamer@checkframetitle{\@ifnextchar\bgroup\beamer@inlineframetitle{}}
+ %\renewcommand*\beamer@checkframetitle{\global\let\beamer@frametitle\relax\@ifnextchar\bgroup\beamer@inlineframetitle{}}
+\makeatother
+