diff --git a/grade/lib.php b/grade/lib.php
index 273ccb31b59..1d68991383a 100644
--- a/grade/lib.php
+++ b/grade/lib.php
@@ -1728,8 +1728,8 @@ class grade_structure {
 
         if ($menuitems) {
             $menu = new action_menu($menuitems);
-            $icon = $OUTPUT->pix_icon('i/dropdown', get_string('actions'));
-            $extraclasses = 'btn btn-icon icon-size-2 bg-secondary d-flex align-items-center justify-content-center';
+            $icon = $OUTPUT->pix_icon('i/moremenu', get_string('actions'));
+            $extraclasses = 'btn btn-link btn-icon icon-size-3 d-flex align-items-center justify-content-center';
             $menu->set_menu_trigger($icon, $extraclasses);
             $menu->set_menu_left();
 
diff --git a/grade/report/singleview/classes/local/screen/grade.php b/grade/report/singleview/classes/local/screen/grade.php
index f8f5b5f6e41..54c39d986a6 100644
--- a/grade/report/singleview/classes/local/screen/grade.php
+++ b/grade/report/singleview/classes/local/screen/grade.php
@@ -396,7 +396,8 @@ class grade extends tablelike implements selectable_items, filterable_items {
         $menuitems[] = new \action_menu_link_secondary($url, null, $title);
         $menu = new \action_menu($menuitems);
         $icon = $OUTPUT->pix_icon('i/moremenu', get_string('actions'));
-        $menu->set_menu_trigger($icon);
+        $extraclasses = 'btn btn-link btn-icon icon-size-3 d-flex align-items-center justify-content-center';
+        $menu->set_menu_trigger($icon, $extraclasses);
         $menu->set_menu_left();
 
         return $OUTPUT->render($menu);
diff --git a/grade/report/singleview/classes/local/screen/user.php b/grade/report/singleview/classes/local/screen/user.php
index efeffe92bb1..55f326535d6 100644
--- a/grade/report/singleview/classes/local/screen/user.php
+++ b/grade/report/singleview/classes/local/screen/user.php
@@ -258,7 +258,8 @@ class user extends tablelike implements selectable_items {
         $menuitems[] = new \action_menu_link_secondary($url, null, $title);
         $menu = new \action_menu($menuitems);
         $icon = $OUTPUT->pix_icon('i/moremenu', get_string('actions'));
-        $menu->set_menu_trigger($icon);
+        $extraclasses = 'btn btn-link btn-icon icon-size-3 d-flex align-items-center justify-content-center';
+        $menu->set_menu_trigger($icon, $extraclasses);
         $menu->set_menu_left();
 
         return $OUTPUT->render($menu);