diff --git a/Admin/Hooks/Web/Api.php b/Admin/Hooks/Web/Api.php
index b625128..6d76688 100644
--- a/Admin/Hooks/Web/Api.php
+++ b/Admin/Hooks/Web/Api.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 return [
 ];
diff --git a/Admin/Routes/Web/Api.php b/Admin/Routes/Web/Api.php
index a5498a6..903edf0 100644
--- a/Admin/Routes/Web/Api.php
+++ b/Admin/Routes/Web/Api.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 use Modules\Tasks\Controller\ApiController;
 use Modules\Tasks\Models\PermissionState;
diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 8270fd9..c28e763 100644
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 use Modules\Tasks\Controller\BackendController;
 use Modules\Tasks\Models\PermissionState;
diff --git a/Controller/Controller.php b/Controller/Controller.php
index 2eef929..ccd3beb 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -67,7 +67,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since 1.0.0
      */
     protected static $providing = [
-        'Navigation'
+        'Navigation',
     ];
 
     /**
diff --git a/Models/RelationAbstract.php b/Models/RelationAbstract.php
index 714529c..f478107 100644
--- a/Models/RelationAbstract.php
+++ b/Models/RelationAbstract.php
@@ -97,10 +97,10 @@ abstract class RelationAbstract implements \JsonSerializable
      *
      * @since  1.0.0
      */
-    public abstract function getRelation();
+    abstract public function getRelation();
 
     /**
      * {@inheritdoc}
      */
-    public abstract function jsonSerialize();
+    abstract public function jsonSerialize();
 }
diff --git a/Models/TaskElement.php b/Models/TaskElement.php
index 09d99b8..df2f60e 100644
--- a/Models/TaskElement.php
+++ b/Models/TaskElement.php
@@ -14,10 +14,10 @@ declare(strict_types=1);
 
 namespace Modules\Tasks\Models;
 
-use phpOMS\Stdlib\Base\Exception\InvalidEnumValue;
-
 use Modules\Admin\Models\Account;
+
 use Modules\Admin\Models\Group;
+use phpOMS\Stdlib\Base\Exception\InvalidEnumValue;
 
 /**
  * Task class.
diff --git a/Models/TaskElementMapper.php b/Models/TaskElementMapper.php
index 3eb80cb..5c21cd7 100644
--- a/Models/TaskElementMapper.php
+++ b/Models/TaskElementMapper.php
@@ -84,7 +84,7 @@ final class TaskElementMapper extends DataMapperAbstract
         'createdBy' => [
             'mapper' => AccountMapper::class,
             'src'    => 'task_element_created_by',
-        ]
+        ],
     ];
 
     /**
diff --git a/Theme/Backend/Components/Tasks/list.tpl.php b/Theme/Backend/Components/Tasks/list.tpl.php
index 1b8e73d..2e2af73 100644
--- a/Theme/Backend/Components/Tasks/list.tpl.php
+++ b/Theme/Backend/Components/Tasks/list.tpl.php
@@ -13,7 +13,7 @@
     elseif ($task->getStatus() === \Modules\Tasks\Models\TaskStatus::OPEN) { $color = 'darkblue'; }
     elseif ($task->getStatus() === \Modules\Tasks\Models\TaskStatus::WORKING) { $color = 'purple'; }
     elseif ($task->getStatus() === \Modules\Tasks\Models\TaskStatus::CANCELED) { $color = 'red'; }
-    elseif ($task->getStatus() === \Modules\Tasks\Models\TaskStatus::SUSPENDED) { $color = 'yellow'; } ;?>
+    elseif ($task->getStatus() === \Modules\Tasks\Models\TaskStatus::SUSPENDED) { $color = 'yellow'; } ?>
         <tr data-href="<?= $url; ?>">
             <td><a href="<?= $url; ?>"><span class="tag <?= $this->printHtml($color); ?>"><?= $this->getHtml('S' . $task->getStatus(), 'Tasks') ?></span></a>
             <td><a href="<?= $url; ?>">
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 1ae8571..1b7002f 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index dfe2a70..09f04ea 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/dashboard-task.tpl.php b/Theme/Backend/dashboard-task.tpl.php
index 5f849ca..ff86c01 100644
--- a/Theme/Backend/dashboard-task.tpl.php
+++ b/Theme/Backend/dashboard-task.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/task-analysis.tpl.php b/Theme/Backend/task-analysis.tpl.php
index a7c35e2..7a9248e 100644
--- a/Theme/Backend/task-analysis.tpl.php
+++ b/Theme/Backend/task-analysis.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/task-create.tpl.php b/Theme/Backend/task-create.tpl.php
index 180e45a..678a22e 100644
--- a/Theme/Backend/task-create.tpl.php
+++ b/Theme/Backend/task-create.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/task-dashboard.tpl.php b/Theme/Backend/task-dashboard.tpl.php
index 3949705..86bbdb6 100644
--- a/Theme/Backend/task-dashboard.tpl.php
+++ b/Theme/Backend/task-dashboard.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
@@ -13,7 +13,7 @@
 
  use Modules\Tasks\Models\TaskStatus;
 
-/**
+ /**
  * @var \phpOMS\Views\View           $this
  * @var \Modules\Tasks\Models\Task[] $tasks
  */
diff --git a/Theme/Backend/task-single.tpl.php b/Theme/Backend/task-single.tpl.php
index 60da141..2bf8acd 100644
--- a/Theme/Backend/task-single.tpl.php
+++ b/Theme/Backend/task-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
@@ -11,10 +11,10 @@
  * @link       http://website.orange-management.de
  */
 
-use \Modules\Tasks\Models\TaskPriority;
-use \Modules\Tasks\Models\TaskStatus;
 use \Modules\Admin\Models\Account;
 use \Modules\Admin\Models\Group;
+use \Modules\Tasks\Models\TaskPriority;
+use \Modules\Tasks\Models\TaskStatus;
 
 /**
  * @var \phpOMS\Views\View         $this
diff --git a/Views/TaskView.php b/Views/TaskView.php
index 486c8bf..498bba4 100644
--- a/Views/TaskView.php
+++ b/Views/TaskView.php
@@ -1,40 +1,40 @@
-<?php
-/**
- * Orange Management
- *
- * PHP Version 7.2
- *
- * @package    TBD
- * @copyright  Dennis Eichhorn
- * @license    OMS License 1.0
- * @version    1.0.0
- * @link       http://website.orange-management.de
- */
-declare(strict_types=1);
-
-namespace Modules\Tasks\Views;
-
-use Modules\Tasks\Models\TaskStatus;
-use phpOMS\Views\View;
-
-class TaskView extends View
-{
-    protected $media = [];
-
-    public function getStatus(int $status) : string
-    {
-        if ($status === TaskStatus::OPEN) {
-            return 'darkblue';
-        } elseif ($status === TaskStatus::DONE) {
-            return 'green';
-        } elseif ($status === TaskStatus::WORKING) {
-            return 'purple';
-        } elseif ($status === TaskStatus::CANCELED) {
-            return 'red';
-        } elseif ($status === TaskStatus::SUSPENDED) {
-            return 'yellow';
-        }
-
-        return 'black';
-    }
-}
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.2
+ *
+ * @package    TBD
+ * @copyright  Dennis Eichhorn
+ * @license    OMS License 1.0
+ * @version    1.0.0
+ * @link       http://website.orange-management.de
+ */
+declare(strict_types=1);
+
+namespace Modules\Tasks\Views;
+
+use Modules\Tasks\Models\TaskStatus;
+use phpOMS\Views\View;
+
+class TaskView extends View
+{
+    protected $media = [];
+
+    public function getStatus(int $status) : string
+    {
+        if ($status === TaskStatus::OPEN) {
+            return 'darkblue';
+        } elseif ($status === TaskStatus::DONE) {
+            return 'green';
+        } elseif ($status === TaskStatus::WORKING) {
+            return 'purple';
+        } elseif ($status === TaskStatus::CANCELED) {
+            return 'red';
+        } elseif ($status === TaskStatus::SUSPENDED) {
+            return 'yellow';
+        }
+
+        return 'black';
+    }
+}