diff --git a/Admin/Installer.php b/Admin/Installer.php
index f023893..fc72c09 100755
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -49,6 +49,6 @@ final class Installer extends InstallerAbstract
     private static function installDefaultColors() : void
     {
         $setting = new Setting();
-        SettingMapper::create($setting->with(0, '1007500001', '#ff000000;#ff00ff00;#ffffffff', 'Tag'));
+        SettingMapper::create($setting->with(0, '1007500001', '#ff000000;#ff00ff00;#ffffffff', '(#[a-fA-F0-9]{8};)*(#[a-fA-F0-9]{8})', 'Tag'));
     }
 }
diff --git a/Admin/Routes/Web/Api.php b/Admin/Routes/Web/Api.php
index 1ef2110..722c280 100755
--- a/Admin/Routes/Web/Api.php
+++ b/Admin/Routes/Web/Api.php
@@ -1,4 +1,16 @@
-<?php declare(strict_types=1);
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   Modules
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
 
 use Modules\Tag\Controller\ApiController;
 use Modules\Tag\Models\PermissionState;
diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 6d1b3be..a137938 100755
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,4 +1,16 @@
-<?php declare(strict_types=1);
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   Modules
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
 
 use Modules\Tag\Controller\BackendController;
 use Modules\Tag\Models\PermissionState;
diff --git a/Models/Tag.php b/Models/Tag.php
index d474543..ef187a6 100755
--- a/Models/Tag.php
+++ b/Models/Tag.php
@@ -43,7 +43,7 @@ class Tag implements \JsonSerializable, ArrayableInterface
      * @var string|TagL11n
      * @since 1.0.0
      */
-    protected $title = '';
+    protected string|TagL11n $title = '';
 
     /**
      * Color RGBA.
diff --git a/Models/TagL11n.php b/Models/TagL11n.php
index 1fdc7bb..67d576b 100755
--- a/Models/TagL11n.php
+++ b/Models/TagL11n.php
@@ -41,7 +41,7 @@ class TagL11n implements \JsonSerializable, ArrayableInterface
      * @var int
      * @since 1.0.0
      */
-    protected int $tag = 0;
+    public int $tag = 0;
 
     /**
      * Language.
@@ -84,32 +84,6 @@ class TagL11n implements \JsonSerializable, ArrayableInterface
         return $this->id;
     }
 
-    /**
-     * Set tag.
-     *
-     * @param int $tag Tag id
-     *
-     * @return void
-     *
-     * @since 1.0.0
-     */
-    public function setTag(int $tag) : void
-    {
-        $this->tag = $tag;
-    }
-
-    /**
-     * Get tag
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getTag() : int
-    {
-        return $this->tag;
-    }
-
     /**
      * Get language
      *