diff --git a/Bootstrap_new/css/theme-modern.css b/Bootstrap_new/css/theme-modern.css
index dc8d75d4..da68ad49 100644
--- a/Bootstrap_new/css/theme-modern.css
+++ b/Bootstrap_new/css/theme-modern.css
@@ -322,9 +322,14 @@ h1, h2, h3, h4, h5, h6, .fw-bold, .fw-semibold {
 }
 
 .sidebar-nav > .nav-item > .nav-link span {
-    font-family: 'Syne', sans-serif;
-    font-weight: 600;
-    letter-spacing: 0.02em;
+  font-family: 'Syne', sans-serif;
+  font-size: 0.8rem;
+  letter-spacing: 0.01em;
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 /* Active item : blanc brillant */