diff --git a/main.png b/main.png
new file mode 100644
index 0000000..66e4028
Binary files /dev/null and b/main.png differ
diff --git a/modele.css b/modele.css
index 22df586..04c26b4 100644
--- a/modele.css
+++ b/modele.css
@@ -136,7 +136,7 @@ a img{
 }
 
 .initial {
-	background: url('main.jpg') right top no-repeat;
+	background: url('main.png') right top no-repeat;
 }
 
 .highlight {