diff --git a/public/mod/forum/renderer.php b/public/mod/forum/renderer.php
index 1a43cc90a9d..7903f118e93 100644
--- a/public/mod/forum/renderer.php
+++ b/public/mod/forum/renderer.php
@@ -87,24 +87,51 @@ class mod_forum_renderer extends plugin_renderer_base {
         $output .= html_writer::start_tag('form', $formattributes);
         $output .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'sesskey', 'value'=>sesskey()));
 
-        $existingcell = new html_table_cell();
-        $existingcell->text = $existinguc->display(true);
-        $existingcell->attributes['class'] = 'existing';
-        $actioncell = new html_table_cell();
-        $actioncell->text  = html_writer::start_tag('div', array());
-        $actioncell->text .= html_writer::empty_tag('input', array('type'=>'submit', 'name'=>'subscribe', 'value'=>$this->page->theme->larrow.' '.get_string('add'), 'class'=>'actionbutton'));
-        $actioncell->text .= html_writer::empty_tag('br', array());
-        $actioncell->text .= html_writer::empty_tag('input', array('type'=>'submit', 'name'=>'unsubscribe', 'value'=>$this->page->theme->rarrow.' '.get_string('remove'), 'class'=>'actionbutton'));
-        $actioncell->text .= html_writer::end_tag('div', array());
-        $actioncell->attributes['class'] = 'actions';
-        $potentialcell = new html_table_cell();
-        $potentialcell->text = $potentialuc->display(true);
-        $potentialcell->attributes['class'] = 'potential';
+        // Existing subscribers column.
+        $existingsubslabel = html_writer::label(
+            get_string('existingsubscribers', 'forum'),
+            'existingsubscribers',
+            false,
+            ['class' => 'visually-hidden']
+        );
+        $existingsubscol = html_writer::div($existingsubslabel . $existinguc->display(true), 'col-sm-5 px-0 existing');
 
-        $table = new html_table();
-        $table->attributes['class'] = 'subscribertable boxaligncenter table-reboot';
-        $table->data = array(new html_table_row(array($existingcell, $actioncell, $potentialcell)));
-        $output .= html_writer::table($table);
+        // Actions column.
+        $subscribeaction = html_writer::tag(
+            'button',
+            html_writer::span($this->page->theme->larrow, '', ['aria-hidden' => 'true']) . ' ' . get_string('add'),
+            [
+                'type' => 'submit',
+                'name' => 'subscribe',
+                'class' => 'actionbutton btn btn-secondary w-100 my-1 py-2',
+                'value' => 'subscribe',
+            ]
+        );
+        $subscribeaction = html_writer::div($subscribeaction);
+        $unsubscribeaction = html_writer::tag(
+            'button',
+            get_string('remove') . ' ' . html_writer::span($this->page->theme->rarrow, '', ['aria-hidden' => 'true']),
+            [
+                'type' => 'submit',
+                'name' => 'unsubscribe',
+                'class' => 'actionbutton btn btn-secondary w-100 my-1 py-2',
+                'value' => 'unsubscribe',
+            ]
+        );
+        $unsubscribeaction = html_writer::div($unsubscribeaction);
+        $actionscol = html_writer::div($subscribeaction . $unsubscribeaction, 'col-sm-2 actions py-6');
+
+        // Potential subscribers column.
+        $potentialsubslabel = html_writer::label(
+            get_string('potentialsubscribers', 'forum'),
+            'potentialsubscribers',
+            false,
+            ['class' => 'visually-hidden']
+        );
+        $potentialsubscol = html_writer::div($potentialsubslabel . $potentialuc->display(true), 'col-sm-5 px-0 potential');
+
+        $row = html_writer::div($existingsubscol . $actionscol . $potentialsubscol, 'row');
+        $output .= html_writer::div($row, 'container-fluid');
 
         $output .= html_writer::end_tag('form');
         return $output;
diff --git a/public/mod/forum/styles.css b/public/mod/forum/styles.css
index 8ab019225b3..8a7491484fa 100644
--- a/public/mod/forum/styles.css
+++ b/public/mod/forum/styles.css
@@ -144,32 +144,11 @@
 }
 
 /** Styles for subscribers.php */
-#page-mod-forum-subscribers .subscriberdiv,
-#page-mod-forum-subscribers .subscribertable {
+#page-mod-forum-subscribers .subscriberdiv {
     width: 100%;
     vertical-align: top;
 }
 
-#page-mod-forum-subscribers .subscribertable tr td {
-    vertical-align: top;
-}
-
-#page-mod-forum-subscribers .subscribertable tr td.actions {
-    width: 16%;
-    padding-top: 3em;
-}
-
-#page-mod-forum-subscribers .subscribertable tr td.actions .actionbutton {
-    margin: 0.3em 0;
-    padding: 0.5em 0;
-    width: 100%;
-}
-
-#page-mod-forum-subscribers .subscribertable tr td.existing,
-#page-mod-forum-subscribers .subscribertable tr td.potential {
-    width: 42%;
-}
-
 /** Styles for discuss.php **/
 #page-mod-forum-discuss .discussioncontrols {
     width: 100%;
diff --git a/public/mod/forum/tests/behat/forum_subscribers_navigation.feature b/public/mod/forum/tests/behat/forum_subscribers_navigation.feature
index 4ca1dfc7e37..8c979869ec5 100644
--- a/public/mod/forum/tests/behat/forum_subscribers_navigation.feature
+++ b/public/mod/forum/tests/behat/forum_subscribers_navigation.feature
@@ -36,6 +36,7 @@ Feature: A teacher or admin can view subscriptions tab
     And I should see "Everyone can now choose to be subscribed"
     And I should see "View subscribers"
 
+  @accessibility
   Scenario: A teacher selects forced subscription and subscribers selector is not visible
     Given I am on the "Test forum name" "forum activity" page logged in as teacher
     And I navigate to "Subscriptions" in current page administration
@@ -46,6 +47,7 @@ Feature: A teacher or admin can view subscriptions tab
     And I should not see "Forced subscription"
     And I should not see "Auto subscription"
     And I should not see "Subscription disabled"
+    And the "region-main" "region" should meet accessibility standards with "best-practice" extra tests
 
   Scenario: A teacher selects reports tab and verify the heading
     Given I am on the "Test forum name" "forum activity" page logged in as teacher