diff --git a/Controller/Controller.php b/Controller/Controller.php
index ea78aee..74dbb09 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -67,7 +67,6 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since 1.0.0
      */
     protected static array $providing = [
-        'Navigation',
     ];
 
     /**
diff --git a/Models/NullTicket.php b/Models/NullTicket.php
new file mode 100644
index 0000000..de86e65
--- /dev/null
+++ b/Models/NullTicket.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   Modules\Support\Models
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Support\Models;
+
+/**
+ * Null model
+ *
+ * @package Modules\Support\Models
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+final class NullTicket extends Ticket
+{
+    /**
+     * Constructor
+     *
+     * @param int $id Model id
+     *
+     * @since 1.0.0
+     */
+    public function __construct(int $id = 0)
+    {
+        $this->id = $id;
+        parent::__construct();
+    }
+}
diff --git a/Theme/Backend/support-list.tpl.php b/Theme/Backend/support-list.tpl.php
index 3dbdd74..6a82a83 100644
--- a/Theme/Backend/support-list.tpl.php
+++ b/Theme/Backend/support-list.tpl.php
@@ -21,9 +21,9 @@ echo $this->getData('nav')->render(); ?>
 
 <div class="row">
     <div class="col-xs-12 col-md-9">
-        <div class="box wf-100">
+        <section class="portlet">
+            <div class="portlet-head"><?= $this->getHtml('Tickets') ?><i class="fa fa-download floatRight download btn"></i></div>
             <table class="default">
-                <caption><?= $this->getHtml('Tickets') ?><i class="fa fa-download floatRight download btn"></i></caption>
                 <thead>
                     <td><?= $this->getHtml('Status') ?>
                     <td><?= $this->getHtml('Due') ?>
@@ -47,43 +47,43 @@ echo $this->getData('nav')->render(); ?>
                         <td><a href="<?= $url; ?>"><?= $this->printHtml($ticket->getTask()->getCreatedBy()->getName1()); ?></a>
                         <td><a href="<?= $url; ?>"><?= $this->printHtml($ticket->getTask()->getCreatedAt()->format('Y-m-d H:i')); ?></a>
                 <?php endforeach; if ($c == 0) : ?>
-                <tr><td colspan="6" class="empty"><?= $this->getHtml('Empty', '0', '0'); ?>
+                    <tr><td colspan="6" class="empty"><?= $this->getHtml('Empty', '0', '0'); ?>
                 <?php endif; ?>
             </table>
-        </div>
+        </section>
     </div>
 
     <div class="col-xs-12 col-md-3">
-            <section class="box wf-100">
-                <header><h1><?= $this->getHtml('Settings') ?></h1></header>
-                <div class="inner">
-                    <form>
-                        <table class="layout wf-100">
-                            <tr><td><label for="iIntervarl"><?= $this->getHtml('Interval') ?></label>
-                            <tr><td><select id="iIntervarl" name="interval">
-                                        <option><?= $this->getHtml('All') ?>
-                                        <option><?= $this->getHtml('Day') ?>
-                                        <option><?= $this->getHtml('Week') ?>
-                                        <option selected><?= $this->getHtml('Month') ?>
-                                        <option><?= $this->getHtml('Year') ?>
-                                    </select>
-                        </table>
-                    </form>
-                </div>
-            </section>
-
-            <section class="box wf-100">
-                <header><h1><?= $this->getHtml('Settings') ?></h1></header>
-                <div class="inner">
-                    <table class="list">
-                        <tr><th><?= $this->getHtml('Received') ?><td>0
-                        <tr><th><?= $this->getHtml('Created') ?><td>0
-                        <tr><th><?= $this->getHtml('Forwarded') ?><td>0
-                        <tr><th><?= $this->getHtml('AverageAmount') ?><td>0
-                        <tr><th><?= $this->getHtml('AverageProcessTime') ?><td>0
-                        <tr><th><?= $this->getHtml('InTime') ?><td>0
+        <section class="portlet">
+            <div class="portlet-head"><?= $this->getHtml('Settings') ?></div>
+            <div class="portlet-body">
+                <form>
+                    <table class="layout wf-100">
+                        <tr><td><label for="iIntervarl"><?= $this->getHtml('Interval') ?></label>
+                        <tr><td><select id="iIntervarl" name="interval">
+                                    <option><?= $this->getHtml('All') ?>
+                                    <option><?= $this->getHtml('Day') ?>
+                                    <option><?= $this->getHtml('Week') ?>
+                                    <option selected><?= $this->getHtml('Month') ?>
+                                    <option><?= $this->getHtml('Year') ?>
+                                </select>
                     </table>
-                </div>
-            </section>
+                </form>
+            </div>
+        </section>
+
+        <section class="portlet">
+            <div class="portlet-head"><?= $this->getHtml('Settings') ?></div>
+            <div class="portlet-body">
+                <table class="list">
+                    <tr><th><?= $this->getHtml('Received') ?><td>0
+                    <tr><th><?= $this->getHtml('Created') ?><td>0
+                    <tr><th><?= $this->getHtml('Forwarded') ?><td>0
+                    <tr><th><?= $this->getHtml('AverageAmount') ?><td>0
+                    <tr><th><?= $this->getHtml('AverageProcessTime') ?><td>0
+                    <tr><th><?= $this->getHtml('InTime') ?><td>0
+                </table>
+            </div>
+        </section>
     </div>
 </div>
\ No newline at end of file