diff --git a/nur_public/nur-v-bs3/base.css b/nur_public/nur-v-bs3/base.css
index 890de9a..c13ccf3 100644
--- a/nur_public/nur-v-bs3/base.css
+++ b/nur_public/nur-v-bs3/base.css
@@ -34,6 +34,12 @@
 .left-gap { margin-left: 1em;}
 .right-gap { margin-right: 1em;}
 
+table.table-sticky tr th {
+    position: sticky;
+    top: 0;
+    background-color: white;
+}
+
 /* si un navbar-form contient des btn-sm ou des btn-xs, utiliser les classes ci-dessous. */
 .navbar-form-sm { margin-top: 10px; margin-bottom: 10px; }
 .navbar-form-xs { margin-top: 14px; margin-bottom: 14px; }