diff --git a/squelettes/scss/styles/_nav.scss b/squelettes/scss/styles/_nav.scss
index 3380bac..bf8ed63 100644
--- a/squelettes/scss/styles/_nav.scss
+++ b/squelettes/scss/styles/_nav.scss
@@ -93,9 +93,9 @@
 				top:44px;
 				left:-100%;
 				padding:$spacer/2 $spacer;
+				text-align:center;
 				&.ouvert{
 					left:0;
-					text-align:center;
 				}
 				a {
 					color:white;
@@ -175,6 +175,7 @@
 			width:100%;
 			top:43px;
 			left:-100%;
+			@include vendor-prefix(transition,all 0.3s ease-in-out);
 			&.ouvert {
 				left:0;
 			}