diff --git a/Bootstrap_new/css/custom.css b/Bootstrap_new/css/custom.css
index 9a3f0ba9..44610353 100755
--- a/Bootstrap_new/css/custom.css
+++ b/Bootstrap_new/css/custom.css
@@ -167,9 +167,14 @@ background-color: #286090;
 color: white;
 }
 
+/* style de la barre de navigation verticale */
+.sidebar{
+max-width:220px;
+padding:5px
+}
 
 .sidebar-nav .nav-link{
-  width:190px
+width:190px
 }
 
 #main{