diff --git a/src/Contracts/ItemRenderer.php b/src/Contracts/ItemRenderer.php
index 1e0226dcd058e9932eb4d3405028808101f0e561..be0e484d4a6e4efb052dab7fca230f500907ef4f 100644
--- a/src/Contracts/ItemRenderer.php
+++ b/src/Contracts/ItemRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the ItemRenderer interface.
  *
diff --git a/src/Contracts/MenuRenderer.php b/src/Contracts/MenuRenderer.php
index 4156712b3838d9549191404e8de22b1333ff2503..fdf87c6c1a9401846ce4d03a29973766f4ca0e50 100644
--- a/src/Contracts/MenuRenderer.php
+++ b/src/Contracts/MenuRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuRenderer interface.
  *
diff --git a/src/Exceptions/DuplicateItemNameException.php b/src/Exceptions/DuplicateItemNameException.php
index e6e462f46f806dfd83f716b0e435eba4376b8268..dcaa192907733b89cea8aa2539c59f1b89b1c270 100644
--- a/src/Exceptions/DuplicateItemNameException.php
+++ b/src/Exceptions/DuplicateItemNameException.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the DuplicateItemNameException class.
  *
diff --git a/src/Exceptions/InvalidMenuConfigurationException.php b/src/Exceptions/InvalidMenuConfigurationException.php
index d87b4dfd3b68e930088a479b48ad286ac8d83ab0..f8d449c48956ff9421fd436f3079802045fe71ac 100644
--- a/src/Exceptions/InvalidMenuConfigurationException.php
+++ b/src/Exceptions/InvalidMenuConfigurationException.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the InvalidMenuConfigurationException class.
  *
diff --git a/src/Exceptions/MenuAlreadyExistsException.php b/src/Exceptions/MenuAlreadyExistsException.php
index 0f05554d3519dee361e41f573f8658503f70ee45..8efdd0100e221eca9dd50dfbadcf2d6c8a8dfe4a 100644
--- a/src/Exceptions/MenuAlreadyExistsException.php
+++ b/src/Exceptions/MenuAlreadyExistsException.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuAlreadyExistsException class.
  *
diff --git a/src/Exceptions/MenuItemNotFoundException.php b/src/Exceptions/MenuItemNotFoundException.php
index d1919952bad453ac8d9389eac9ce4aa577d17a34..0b90d235ea17e9c87dcade12932441c4e4e899b6 100644
--- a/src/Exceptions/MenuItemNotFoundException.php
+++ b/src/Exceptions/MenuItemNotFoundException.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuItemNotFoundException class.
  *
diff --git a/src/Facades/Menu.php b/src/Facades/Menu.php
index 9280df0f0fafa9ffb2b6a4f94f1a915879051d17..5f202eabfb923ce9c87145ea46dca8b90f94cf82 100644
--- a/src/Facades/Menu.php
+++ b/src/Facades/Menu.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu facade class.
  *
diff --git a/src/Item.php b/src/Item.php
index 1ebda90bb787caacb3d0686ac9aaf85cd66548e0..4b546860f6938cd379281217c7fb38c95a18adb4 100644
--- a/src/Item.php
+++ b/src/Item.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu Item class.
  *
@@ -63,14 +65,14 @@ class Item
      */
     public function __construct(Menu $menu, $name, $title, $options)
     {
-        $this->menu       = $menu;
-        $this->name       = $name;
-        $this->title      = $title;
+        $this->menu = $menu;
+        $this->name = $name;
+        $this->title = $title;
         $this->attributes = Arr::except($options, $this->reserved);
-        $this->parent     = $this->resolveParent(Arr::get($options, 'parent', null));
-        $this->renderer   = Arr::get($options, 'renderer', null);
+        $this->parent = $this->resolveParent(Arr::get($options, 'parent', null));
+        $this->renderer = Arr::get($options, 'renderer', null);
 
-        $path       = Arr::only($options, array('url', 'route', 'action'));
+        $path = Arr::only($options, ['url', 'route', 'action']);
         if (!empty($path)) {
             $this->link = new Link($path, $this->menu->config->activeClass);
         }
@@ -78,6 +80,26 @@ class Item
         $this->checkActivation();
     }
 
+    /**
+     * Search in meta data if a property doesn't exist otherwise return the property
+     *
+     * @param  string
+     *
+     * @return string
+     */
+    public function __get($prop)
+    {
+        if (property_exists($this, $prop)) {
+            return $this->$prop;
+        }
+
+        if ($this->children()->has($prop)) {
+            return $this->children()->get($prop);
+        }
+
+        return $this->data($prop);
+    }
+
     /**
      * Creates a sub Item
      *
@@ -89,7 +111,7 @@ class Item
      */
     public function addSubItem($name, $title, $options = [])
     {
-        $options           = is_array($options) ? $options : ['url' => $options];
+        $options = is_array($options) ? $options : ['url' => $options];
         $options['parent'] = $this;
 
         return $this->menu->addItem($name, $title, $options);
@@ -239,7 +261,7 @@ class Item
      */
     public function hasParent()
     {
-        return (bool)$this->parent;
+        return (bool) $this->parent;
     }
 
     /**
@@ -247,7 +269,7 @@ class Item
      */
     public function activate()
     {
-        if ($this->menu->config->activeElement == 'item') {
+        if ('item' == $this->menu->config->activeElement) {
             $this->setToActive();
         } else {
             if ($this->link) {
@@ -330,7 +352,7 @@ class Item
      */
     public function hasLink()
     {
-        return (bool)$this->link;
+        return (bool) $this->link;
     }
 
     /**
@@ -362,26 +384,6 @@ class Item
             $this->hasData($property);
     }
 
-    /**
-     * Search in meta data if a property doesn't exist otherwise return the property
-     *
-     * @param  string
-     *
-     * @return string
-     */
-    public function __get($prop)
-    {
-        if (property_exists($this, $prop)) {
-            return $this->$prop;
-        }
-
-        if ($this->children()->has($prop)) {
-            return $this->children()->get($prop);
-        }
-
-        return $this->data($prop);
-    }
-
     /**
      * Activate the item if it's enabled in menu config and item's url matches the request URI
      */
@@ -441,7 +443,7 @@ class Item
         throw new MenuItemNotFoundException(
             sprintf(
                 'Item named `%s` could not be found in the `%s` menu',
-                (string)$parent,
+                (string) $parent,
                 $this->menu->name
             )
         );
diff --git a/src/ItemCollection.php b/src/ItemCollection.php
index 8c4c3b6c405055fd8723275bb3c8dff904dedb6d..bb53897feeacd35ed3b380f59f323cea1095ef10 100644
--- a/src/ItemCollection.php
+++ b/src/ItemCollection.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu Item Collection class.
  *
@@ -16,6 +18,27 @@ use Konekt\Menu\Exceptions\DuplicateItemNameException;
 
 class ItemCollection extends Collection
 {
+    /**
+     * Search the items based on an attribute
+     *
+     * @param string $method
+     * @param array  $args
+     *
+     * @return \Konekt\Menu\ItemCollection
+     */
+    public function __call($method, $args)
+    {
+        preg_match('/^[W|w]here([a-zA-Z0-9_]+)$/', $method, $matches);
+
+        if (!$matches) {
+            trigger_error('Call to undefined method ' . __CLASS__ . '::' . $method . '()', E_USER_ERROR);
+        }
+
+        $attribute = strtolower($matches[1]);
+        $value = $args ? $args[0] : null;
+
+        return $this->filterByProperty($attribute, $value);
+    }
     /**
      * Alias to addItem. Needed for Laravel 5.8 compatibility
      * @see https://github.com/artkonekt/menu/issues/3
@@ -183,28 +206,6 @@ class ItemCollection extends Collection
         });
     }
 
-    /**
-     * Search the items based on an attribute
-     *
-     * @param string $method
-     * @param array  $args
-     *
-     * @return \Konekt\Menu\ItemCollection
-     */
-    public function __call($method, $args)
-    {
-        preg_match('/^[W|w]here([a-zA-Z0-9_]+)$/', $method, $matches);
-
-        if (!$matches) {
-            trigger_error('Call to undefined method ' . __CLASS__ . '::' . $method . '()', E_USER_ERROR);
-        }
-
-        $attribute = strtolower($matches[1]);
-        $value     = $args ? $args[0] : null;
-
-        return $this->filterByProperty($attribute, $value);
-    }
-
     /**
      * @param      $property
      * @param      $value
diff --git a/src/Link.php b/src/Link.php
index a422fae7b5ae9b153359e148a7eda25ad03a5f27..b0533a687ecac4531dea2df29030ad80a4a34c87 100644
--- a/src/Link.php
+++ b/src/Link.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu Link class.
  *
@@ -18,6 +20,9 @@ class Link
 {
     use HasAttributes;
 
+    /** @var bool   Flag for active state */
+    public $isActive = false;
+
     /** @var array  Path Information */
     protected $path = [];
 
@@ -27,9 +32,6 @@ class Link
     /** @var string Explicit href for the link */
     protected $href;
 
-    /** @var bool   Flag for active state */
-    public $isActive = false;
-
     /**
      * Class constructor
      *
@@ -38,10 +40,27 @@ class Link
      */
     public function __construct($path = [], $activeClass = 'active')
     {
-        $this->path        = $path;
+        $this->path = $path;
         $this->activeClass = $activeClass;
     }
 
+    /**
+     * Check for a method of the same name if the attribute doesn't exist.
+     *
+     * @param  string $property
+     *
+     * @return mixed
+     */
+    public function __get($property)
+    {
+        return $this->attr($property);
+    }
+
+    public function __set($property, $value)
+    {
+        return $this->attr($property, $value);
+    }
+
     /**
      * Make the anchor active
      *
@@ -49,7 +68,7 @@ class Link
      */
     public function activate()
     {
-        $this->isActive            = true;
+        $this->isActive = true;
         $this->attributes['class'] = Utils::addHtmlClass(
             Arr::get($this->attributes, 'class', ''),
             $this->activeClass
@@ -92,23 +111,6 @@ class Link
         return null;
     }
 
-    /**
-     * Check for a method of the same name if the attribute doesn't exist.
-     *
-     * @param  string $property
-     *
-     * @return mixed
-     */
-    public function __get($property)
-    {
-        return $this->attr($property);
-    }
-
-    public function __set($property, $value)
-    {
-        return $this->attr($property, $value);
-    }
-
     /**
      * Get the action for "url" option.
      *
@@ -118,7 +120,7 @@ class Link
     {
         $url = $this->path['url'];
 
-        $uri    = is_array($url) ? $url[0] : $url;
+        $uri = is_array($url) ? $url[0] : $url;
         $params = is_array($url) ? array_slice($url, 1) : null;
 
         if (Utils::isAbsoluteUrl($uri)) {
diff --git a/src/Menu.php b/src/Menu.php
index ac88f2f541e3213e848a1535751ae483917d0377..764dfe9188cce3d086b867c06adf60a304a081b6 100644
--- a/src/Menu.php
+++ b/src/Menu.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu class.
  *
@@ -48,9 +50,19 @@ class Menu
      */
     public function __construct($name, MenuConfiguration $config)
     {
-        $this->name   = $name;
+        $this->name = $name;
         $this->config = $config;
-        $this->items  = new ItemCollection();
+        $this->items = new ItemCollection();
+    }
+
+    /**
+     * Returns menu item by name
+     *
+     * @return \Konekt\Menu\Item
+     */
+    public function __get($prop)
+    {
+        return $this->items->get($prop);
     }
 
     /**
@@ -65,7 +77,7 @@ class Menu
     public function addItem($name, $title, $options = [])
     {
         $options = is_string($options) ? ['url' => $options] : $options;
-        $item    = new Item($this, $name, $title, $options);
+        $item = new Item($this, $name, $title, $options);
         $this->items->addItem($item);
 
         return $item;
@@ -107,14 +119,4 @@ class Menu
     {
         $this->items = new ItemCollection();
     }
-
-    /**
-     * Returns menu item by name
-     *
-     * @return \Konekt\Menu\Item
-     */
-    public function __get($prop)
-    {
-        return $this->items->get($prop);
-    }
 }
diff --git a/src/MenuConfiguration.php b/src/MenuConfiguration.php
index 67fa88510be6fe730c2c4591180a91a6e78e2648..0038c1ccb480515cec08361b6f2e1e24d9235945 100644
--- a/src/MenuConfiguration.php
+++ b/src/MenuConfiguration.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuConfiguration class.
  *
@@ -45,11 +47,11 @@ class MenuConfiguration
 
     private function parseOptions(array $options)
     {
-        $this->autoActivate    = Arr::get($options, 'auto_activate', true);
+        $this->autoActivate = Arr::get($options, 'auto_activate', true);
         $this->activateParents = Arr::get($options, 'activate_parents', true);
-        $this->activeClass     = Arr::get($options, 'active_class', 'active');
-        $this->activeElement   = strtolower(Arr::get($options, 'active_element', 'item'));
-        $this->cascadeData     = Arr::get($options, 'cascade_data', true);
+        $this->activeClass = Arr::get($options, 'active_class', 'active');
+        $this->activeElement = strtolower(Arr::get($options, 'active_element', 'item'));
+        $this->cascadeData = Arr::get($options, 'cascade_data', true);
 
         if (!in_array($this->activeElement, self::ACTIVE_ELEMENT_TYPES)) {
             throw new InvalidMenuConfigurationException(
diff --git a/src/MenuFactory.php b/src/MenuFactory.php
index a64a03a19dbdbe3ccd11d8de755c6a7447403a66..a21172be516a5b04c9ddad0b4cfac8db77a72a9b 100644
--- a/src/MenuFactory.php
+++ b/src/MenuFactory.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuFactory class.
  *
@@ -31,7 +33,7 @@ class MenuFactory
                     View::share($menu->name, $menu);
                 }
             } else {
-                View::share((string)$options['share'], $menu);
+                View::share((string) $options['share'], $menu);
             }
         }
 
diff --git a/src/MenuServiceProvider.php b/src/MenuServiceProvider.php
index 25c8842aa72b1735e2d70d8722fb2453fb5685ef..bb77416f0e10d187dff8a2303a526f32db6be511 100644
--- a/src/MenuServiceProvider.php
+++ b/src/MenuServiceProvider.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu service provider class.
  *
diff --git a/src/Renderers/DivItemRenderer.php b/src/Renderers/DivItemRenderer.php
index 0b17d060510552120ac683f7c6eda5a41b71f55e..eac61bdeb02d97349f5b297d27361bb63b3813e2 100644
--- a/src/Renderers/DivItemRenderer.php
+++ b/src/Renderers/DivItemRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the DivItemRenderer class.
  *
diff --git a/src/Renderers/DivMenuRenderer.php b/src/Renderers/DivMenuRenderer.php
index 97826d021f4d11b1e38860255d881add6c2c19ff..42a79441dc13d977a23f7b1c7dcbc5c6d2a5a6e0 100644
--- a/src/Renderers/DivMenuRenderer.php
+++ b/src/Renderers/DivMenuRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the DivMenuRenderer class.
  *
diff --git a/src/Renderers/LiItemRenderer.php b/src/Renderers/LiItemRenderer.php
index 262c473267d801c79888d05604e9f0b1c52d8135..2342098378080cfe0ac152eadb1a36add1d1a5f5 100644
--- a/src/Renderers/LiItemRenderer.php
+++ b/src/Renderers/LiItemRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the LiItemRenderer class.
  *
diff --git a/src/Renderers/OlMenuRenderer.php b/src/Renderers/OlMenuRenderer.php
index 93ab84d53e9b2dbb55dc6a197228a8a4583c571f..1a59b7fef99446b23eb79d62e26d2433f0a4bf69 100644
--- a/src/Renderers/OlMenuRenderer.php
+++ b/src/Renderers/OlMenuRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the OlMenuRenderer class.
  *
diff --git a/src/Renderers/UlMenuRenderer.php b/src/Renderers/UlMenuRenderer.php
index 86bddef54eb555560f52e34879d4d51aa69c04b6..d0d27752cd4ef659bcf6b5b7867102fe685db701 100644
--- a/src/Renderers/UlMenuRenderer.php
+++ b/src/Renderers/UlMenuRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the UlMenuRenderer class.
  *
diff --git a/src/Repository.php b/src/Repository.php
index 1f5b1b3889d7df7b9d6e55f397d50cb5745cc0c1..e0a695c951ea53e5d78980f87bc07bdc258844be 100644
--- a/src/Repository.php
+++ b/src/Repository.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Menu Repository class.
  *
@@ -12,7 +14,6 @@
 namespace Konekt\Menu;
 
 use Konekt\Menu\Exceptions\MenuAlreadyExistsException;
-use View;
 
 /**
  * Menu Repository class contains several menu instances
diff --git a/src/Traits/HasAttributes.php b/src/Traits/HasAttributes.php
index 34b589cc477d8aab03dd61d0a8b7e6e00f3893ef..6f6124abfcf2320a4d61e3d6e45c11dff2626a2d 100644
--- a/src/Traits/HasAttributes.php
+++ b/src/Traits/HasAttributes.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the HasAttributes trait.
  *
diff --git a/src/Traits/Renderable.php b/src/Traits/Renderable.php
index cfef86cc8afeb228297885b641195c5d2e2b511d..ba8e221fcfad375c3745e7f1cff13bf77d4801d6 100644
--- a/src/Traits/Renderable.php
+++ b/src/Traits/Renderable.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Renderable trait.
  *
diff --git a/src/Utils.php b/src/Utils.php
index c780dd5449a5e148757cf694076c831359739a4f..4d6a5904cce3c74b7219e7237550be4c4a4d5469 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the Utils class.
  *
@@ -63,8 +65,8 @@ class Utils
 
         foreach ($attributes as $key => $value) {
             $element = is_numeric($key) ?
-                (string)$value :
-                (is_null($value) ? (string)$key : $key . '="' . e($value) . '"');
+                (string) $value :
+                (is_null($value) ? (string) $key : $key . '="' . e($value) . '"');
             if (!empty($element)) {
                 $attrs[] = $element;
             }
diff --git a/tests/Dummies/User.php b/tests/Dummies/User.php
index 227b98b7fca394636d4847890cc04f71c90e6fdb..a1a95df71b17fcf00b569059575c7ae7ec6bf855 100644
--- a/tests/Dummies/User.php
+++ b/tests/Dummies/User.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the User class.
  *
diff --git a/tests/Feature/AuthorizationTest.php b/tests/Feature/AuthorizationTest.php
index b4df6f2618e334e310dbd7d79c9e243e1747faca..59c24dd29f344f600f32279adb000a8d1f6749a4 100644
--- a/tests/Feature/AuthorizationTest.php
+++ b/tests/Feature/AuthorizationTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the AuthorizationTest class.
  *
@@ -29,6 +31,18 @@ class AuthorizationTest extends TestCase
     /** @var User */
     protected $anotherUser;
 
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->setUpDatabase();
+        $this->setUpAuth();
+
+        $this->menu = MenuFactory::create('nav', []);
+
+        $this->createUsers();
+    }
+
     /**
      * @test
      */
@@ -80,7 +94,7 @@ class AuthorizationTest extends TestCase
 
         $this->assertTrue($item->isAllowed());
 
-        $this->be(($this->anotherUser));
+        $this->be($this->anotherUser);
 
         $this->assertFalse($item->isAllowed());
     }
@@ -138,29 +152,17 @@ class AuthorizationTest extends TestCase
         $this->assertFalse($item->isAllowed($this->user));
     }
 
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        $this->setUpDatabase();
-        $this->setUpAuth();
-
-        $this->menu = MenuFactory::create('nav', []);
-
-        $this->createUsers();
-    }
-
     protected function createUsers()
     {
         $this->user = User::create([
-            'email'    => 'giovanni@gatto.it',
-            'name'     => 'Giovanni Gatto',
+            'email' => 'giovanni@gatto.it',
+            'name' => 'Giovanni Gatto',
             'password' => bcrypt('Putin')
         ])->fresh();
 
         $this->anotherUser = User::create([
-            'email'    => 'frederico@latte.it',
-            'name'     => 'Frederico Latte',
+            'email' => 'frederico@latte.it',
+            'name' => 'Frederico Latte',
             'password' => bcrypt('Erdogan')
         ]);
     }
@@ -176,9 +178,9 @@ class AuthorizationTest extends TestCase
     {
         $app['config']->set('database.default', 'sqlite');
         $app['config']->set('database.connections.sqlite', [
-            'driver'   => 'sqlite',
+            'driver' => 'sqlite',
             'database' => ':memory:',
-            'prefix'   => '',
+            'prefix' => '',
         ]);
     }
 }
diff --git a/tests/Feature/CustomRendererTest.php b/tests/Feature/CustomRendererTest.php
index fdc3a9b8c3431f7d108f31dbba31bb2ad06d4b29..b0473266320f9b938cf17501824520301ad0fcd3 100644
--- a/tests/Feature/CustomRendererTest.php
+++ b/tests/Feature/CustomRendererTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the CustomRendererTest class.
  *
@@ -24,7 +26,7 @@ class CustomRendererTest extends TestCase
 
         $menu = Menu::create('bulma', [
             'active_element' => 'link',
-            'active_class'   => 'is-active'
+            'active_class' => 'is-active'
         ]);
 
         $menu->addItem('dashboard', 'Dashboard', '/dashboard');
diff --git a/tests/Feature/FacadeTest.php b/tests/Feature/FacadeTest.php
index 01829c47660d65df0e7219d337a56cae6d39bcb7..b8458fb70614ba680db67198dd4b6cc431ce01ce 100644
--- a/tests/Feature/FacadeTest.php
+++ b/tests/Feature/FacadeTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the FacadeTest class.
  *
diff --git a/tests/Feature/LinkActionTest.php b/tests/Feature/LinkActionTest.php
index f1478df914055e55b8ed2fca3536d4dc08aaa2e3..caa250d2e414c9583c5950452208cad6a67939f9 100644
--- a/tests/Feature/LinkActionTest.php
+++ b/tests/Feature/LinkActionTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the LinkActionTest class.
  *
diff --git a/tests/Feature/LinkRouteTest.php b/tests/Feature/LinkRouteTest.php
index 7f894c5339bf199ca6d47da892ae6a7f68f88d83..e0814d4b3f7532b329e2c217842178ce4ad5a3e2 100644
--- a/tests/Feature/LinkRouteTest.php
+++ b/tests/Feature/LinkRouteTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the LinkRoutesTest class.
  *
diff --git a/tests/Feature/LinkUrlTest.php b/tests/Feature/LinkUrlTest.php
index 7480ef0e76f558e6c055d5b532ba85ad73948fbf..4b6b54dd3e18aa2fa1baf5f1131208e51833d56f 100644
--- a/tests/Feature/LinkUrlTest.php
+++ b/tests/Feature/LinkUrlTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the LinkUrlTest class.
  *
diff --git a/tests/Feature/MenuTest.php b/tests/Feature/MenuTest.php
index 816bfa4bf80fdcc6007a56acf234f5e123a5bd31..17487c13c6cc9e0eab1d4cf88b8977d9a14d94b4 100644
--- a/tests/Feature/MenuTest.php
+++ b/tests/Feature/MenuTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuTest class.
  *
diff --git a/tests/Feature/Renderer/BulmaMenuRenderer.php b/tests/Feature/Renderer/BulmaMenuRenderer.php
index 7c5afe50e944008e0561cd00b1df77af11406822..cfd106fe45b99f508b4cf8a36765f8eff7d45402 100644
--- a/tests/Feature/Renderer/BulmaMenuRenderer.php
+++ b/tests/Feature/Renderer/BulmaMenuRenderer.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the BulmaMenuRenderer.php class.
  *
@@ -29,8 +31,8 @@ class BulmaMenuRenderer implements MenuRenderer
 
     protected function renderLevel(ItemCollection $items, $level)
     {
-        $tabs  = str_repeat("\t", $level);
-        $class = $level == 1 ? ' class="menu-list"' : '';
+        $tabs = str_repeat("\t", $level);
+        $class = 1 == $level ? ' class="menu-list"' : '';
 
         $result = "$tabs<ul$class>\n";
         foreach ($items as $item) {
diff --git a/tests/TestCase.php b/tests/TestCase.php
index d36c744152ef887c0a0f6a7ad3a95862cdc86ca6..233414b342129f45ec5d0577bce5b17ab26be5a1 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the TestCase class.
  *
diff --git a/tests/Unit/ActiveItemsCollectionTest.php b/tests/Unit/ActiveItemsCollectionTest.php
index d1620f1a9aa1d8be6d5858fe9945dd882e220150..c8e92f258b5ccd324a9f97f6dc2c833fee85d536 100644
--- a/tests/Unit/ActiveItemsCollectionTest.php
+++ b/tests/Unit/ActiveItemsCollectionTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the ActiveItemsCollectionTest class.
  *
@@ -18,6 +20,12 @@ use Konekt\Menu\Tests\TestCase;
 
 class ActiveItemsCollectionTest extends TestCase
 {
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->setupRoutes();
+    }
     /** @test */
     public function has_active_child_returns_false_when_there_are_no_active_items_at_all()
     {
@@ -113,13 +121,6 @@ class ActiveItemsCollectionTest extends TestCase
         $this->assertTrue($parent1->hasActiveChild());
     }
 
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        $this->setupRoutes();
-    }
-
     private function setupRoutes()
     {
         \Route::get('/articles/{slug}', function ($slug) {
diff --git a/tests/Unit/ItemCollectionTest.php b/tests/Unit/ItemCollectionTest.php
index 655124898a7656b0fb54339016f18c88a53464a4..46d89c2f522602cb1de45d89352f856b4797d705 100644
--- a/tests/Unit/ItemCollectionTest.php
+++ b/tests/Unit/ItemCollectionTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the ItemCollectionTest class.
  *
@@ -21,6 +23,21 @@ class ItemCollectionTest extends TestCase
     /** @var  Menu */
     protected $menu;
 
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->menu = MenuFactory::create('sidebar', ['auto_activate' => false]);
+        $this->menu->addItem('home', 'Home', ['url' => '/', 'category' => 'internal']);
+
+        $this->menu->addItem('about', 'About', ['url' => '/about', 'category' => 'internal']);
+        $this->menu->about->addSubItem('about-us', 'About Us', ['url' => '/about/us', 'category' => 'internal']);
+        $this->menu->about->addSubItem('about-our-product', 'About Our Product', ['url' => '/about/our-product', 'category' => 'internal']);
+
+        $this->menu->addItem('contact', 'Contact', ['url' => '/contact', 'category' => 'internal']);
+        $this->menu->addItem('google', 'Google', 'https://google.com')->data('engine', 'google');
+    }
+
     public function testMagicWhereMethod()
     {
         $this->assertEquals(5, $this->menu->items->whereCategory('internal')->count());
@@ -100,19 +117,4 @@ class ItemCollectionTest extends TestCase
 
         $this->assertEquals($originalCount - 4, $this->menu->items->count());
     }
-
-    protected function setUp(): void
-    {
-        parent::setUp();
-
-        $this->menu = MenuFactory::create('sidebar', ['auto_activate' => false]);
-        $this->menu->addItem('home', 'Home', ['url' => '/', 'category' => 'internal']);
-
-        $this->menu->addItem('about', 'About', ['url' => '/about', 'category' => 'internal']);
-        $this->menu->about->addSubItem('about-us', 'About Us', ['url' => '/about/us', 'category' => 'internal']);
-        $this->menu->about->addSubItem('about-our-product', 'About Our Product', ['url' => '/about/our-product', 'category' => 'internal']);
-
-        $this->menu->addItem('contact', 'Contact', ['url' => '/contact', 'category' => 'internal']);
-        $this->menu->addItem('google', 'Google', 'https://google.com')->data('engine', 'google');
-    }
 }
diff --git a/tests/Unit/ItemTest.php b/tests/Unit/ItemTest.php
index 668b6c01da91421aa50869d547495d342975b821..af03d0779821e67338e7c608cceb1f8a1cc0219a 100644
--- a/tests/Unit/ItemTest.php
+++ b/tests/Unit/ItemTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the ItemTest class.
  *
@@ -18,6 +20,17 @@ use Konekt\Menu\Tests\TestCase;
 
 class ItemTest extends TestCase
 {
+    protected function setUp(): void
+    {
+        parent::setUp();
+        \Route::get('/articles/{slug}', function ($slug) {
+            return 'Hello, ' . $slug;
+        });
+
+        \Route::get('/about', function () {
+            return 'About Us';
+        });
+    }
     public function testItemParentCanBeResolvedProperly()
     {
         $menu = \Menu::create('uberGigaMenu');
@@ -38,7 +51,7 @@ class ItemTest extends TestCase
             $menu->about,
             $menu->addItem('our-goals', 'Our Goals', [
                 'parent' => 'about',
-                'url'    => '/our-goals'
+                'url' => '/our-goals'
             ])->parent
         );
     }
@@ -136,16 +149,4 @@ class ItemTest extends TestCase
 
         return $result;
     }
-
-    protected function setUp(): void
-    {
-        parent::setUp();
-        \Route::get('/articles/{slug}', function ($slug) {
-            return 'Hello, ' . $slug;
-        });
-
-        \Route::get('/about', function () {
-            return 'About Us';
-        });
-    }
 }
diff --git a/tests/Unit/LinkTest.php b/tests/Unit/LinkTest.php
index a0157fdb36f764392c15c694cdd72eda295cfd2a..183f2d3fd57e79a8dcc84b93b1f32a5dfd7f1eee 100644
--- a/tests/Unit/LinkTest.php
+++ b/tests/Unit/LinkTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the LinkTest class.
  *
diff --git a/tests/Unit/MenuConfigurationTest.php b/tests/Unit/MenuConfigurationTest.php
index 36a94e34426a9f28770c1debcf50811b03f55ddd..d8b88b1d10c94515924de13877a9c4afb3fec2cc 100644
--- a/tests/Unit/MenuConfigurationTest.php
+++ b/tests/Unit/MenuConfigurationTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the MenuConfigurationTest class.
  *
@@ -43,11 +45,11 @@ class MenuConfigurationTest extends TestCase
     public function testValuesCanBeSetProperlyFromOptionsArray()
     {
         $config = new MenuConfiguration([
-            'auto_activate'    => false,
+            'auto_activate' => false,
             'activate_parents' => false,
-            'cascade_data'     => false,
-            'active_element'   => 'link',
-            'active_class'     => 'is-active'
+            'cascade_data' => false,
+            'active_element' => 'link',
+            'active_class' => 'is-active'
         ]);
 
         $this->assertFalse($config->autoActivate);
diff --git a/tests/Unit/RepositoryTest.php b/tests/Unit/RepositoryTest.php
index fa4ddb127f394841ad04eed143c46b018df5fc15..1b4da7275a2ed2d0b67f0c411656e6e7782dd455 100644
--- a/tests/Unit/RepositoryTest.php
+++ b/tests/Unit/RepositoryTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the SmokeTest class.
  *
diff --git a/tests/Unit/UtilsTest.php b/tests/Unit/UtilsTest.php
index 3d266fc8c5ca02422e91a56c03882fc82911d138..13237e363e443df5a2796be83bfaeff99a0f031d 100644
--- a/tests/Unit/UtilsTest.php
+++ b/tests/Unit/UtilsTest.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /**
  * Contains the UtilsTest class.
  *