diff --git a/presentation_irstea/beamerinnerthemeirstea.sty b/presentation_irstea/beamerinnerthemeirstea.sty
index 70a0041413f8aefa5200647f4ef1806ce7612ab8..1b04ccef232ed08b02468123217fc338d873f6fd 100644
--- a/presentation_irstea/beamerinnerthemeirstea.sty
+++ b/presentation_irstea/beamerinnerthemeirstea.sty
@@ -3,36 +3,41 @@
 % Title page
 \defbeamertemplate*{title page}{irstea}[1][]
 { 
+%\fbox{
 	\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}
+	\put(0,3){
+		\hspace{0.08\linewidth}
+%\fbox{
+		\begin{minipage}[b][2.9cm][c]{0.90\linewidth}
 			\begin{flushleft}
-			\usebeamercolor{title in headline}{\color{fg}\textbf{\LARGE{\inserttitle}}\\[1ex]}
+			\usebeamercolor{title in headline}{\color{fg}\textbf{\LARGE{\inserttitle}}}
 			\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}
+%}
+	
+	\hspace*{0.4\linewidth}
+%\fbox{
+    \begin{minipage}[t][3cm][c]{0.6\linewidth}
+		\begin{flushleft}
+			\usebeamercolor{author in headline}{\color{fg}\large{\insertauthor}\\[1ex]}
+			\usebeamercolor{institute in headline}{\color{fg}\large{\insertdate}\\[1ex]}
+		\end{flushleft}	
+	\end{minipage}
+%}
     
-    \vspace{3cm}
-    \begin{minipage}{0.49\linewidth}
+%\fbox{
+    \begin{minipage}[t][1.6cm][c]{0.49\linewidth}
         \includegraphics[height=1.5cm,keepaspectratio]{presentation_irstea/logo_irstea_rvb}    
     \end{minipage}
-    \begin{minipage}{0.49\linewidth}
+    \begin{minipage}[t][1.6cm][c]{0.49\linewidth}
         \begin{flushright}                
             \includegraphics[height=1cm,keepaspectratio]{\logopartenaire}
         \end{flushright}    
     \end{minipage}
+%}
 }