diff --git a/htdocs/user/group/card.php b/htdocs/user/group/card.php
index 25a0db9d633..618f569c1e3 100644
--- a/htdocs/user/group/card.php
+++ b/htdocs/user/group/card.php
@@ -447,7 +447,7 @@ else
 					print $form->select_dolusers('', 'user', 1, $exclude, 0, '', '', $object->entity, 0, 0, '', 0, '', 'maxwidth300');
 					print '   ';
 					print '<input type="hidden" name="entity" value="'.$conf->entity.'">';
-					print '<input type="submit" class="button" value="'.$langs->trans("Add").'">';
+					print '<input type="submit" class="button buttongen" value="'.$langs->trans("Add").'">';
 					print '</td></tr>'."\n";
 					print '</table></form>'."\n";
 					print '<br>';
@@ -456,6 +456,7 @@ else
 				/*
 				 * Group members
 				 */
+
 				print '<table class="noborder centpercent">';
 				print '<tr class="liste_titre">';
 				print '<td class="liste_titre">'.$langs->trans("Login").'</td>';