diff --git a/js/zt_megamenu.js b/js/zt_megamenu.js
index 1984a6b..0ed4fb0 100644
--- a/js/zt_megamenu.js
+++ b/js/zt_megamenu.js
@@ -1,43 +1,53 @@
 (function ($, Drupal) {
-  $('ul.ztmmenu-list li.has_submenu_li > a').click(function (ev) {
-    ev.preventDefault();
-    $(this).parent('li').find('.wsmenu-submenu').fadeToggle('fast');
-  });
+    $('ul.ztmmenu-list li.has_submenu_li > a').click(
+        function (ev) {
+            ev.preventDefault();
+            $(this).parent('li').find('.wsmenu-submenu').fadeToggle('fast');
+        }
+    );
   
-  $('ul.multi-submenu > li ul.multi-submenu').parent().addClass('has_child');
+    $('ul.multi-submenu > li ul.multi-submenu').parent().addClass('has_child');
   
-  $(".wsmenu-submenu-level-one > li").on({
-    mouseenter: function () {
-      $('.wsmenu-submenu-level-one li').removeClass('liactive');
-      $(this).addClass('liactive');
-    }
-  });
+    $(".wsmenu-submenu-level-one > li").on(
+        {
+            mouseenter: function () {
+                $('.wsmenu-submenu-level-one li').removeClass('liactive');
+                $(this).addClass('liactive');
+            }
+        }
+    );
   
-  $(".wsmenu-submenu-level-two > li").on({
-    mouseenter: function () {
-      $('.wsmenu-submenu-level-two li').removeClass('liactive');
-      $(this).addClass('liactive');
-    }
-  });
+    $(".wsmenu-submenu-level-two > li").on(
+        {
+            mouseenter: function () {
+                $('.wsmenu-submenu-level-two li').removeClass('liactive');
+                $(this).addClass('liactive');
+            }
+        }
+    );
   
-  $(".wsmenu-submenu-level-three > li").on({
-    mouseenter: function () {
-      $('.wsmenu-submenu-level-three li').removeClass('liactive');
-      $(this).addClass('liactive');
-    }
-  });
+    $(".wsmenu-submenu-level-three > li").on(
+        {
+            mouseenter: function () {
+                $('.wsmenu-submenu-level-three li').removeClass('liactive');
+                $(this).addClass('liactive');
+            }
+        }
+    );
   
-  $('ul.multi-submenu li a').hover(function () {
-    var href = $(this).attr('rel');
-    var node = href.split("/");
-    var nid = node[node.length - 1];
-    if(nid != '') {
-      $('.wsmenu-submenu-list-content .wsmenu-content').hide();
-      $('#'+nid+'.wsmenu-content').show();
-    }
-    else {
-      $('.wsmenu-submenu-list-content .wsmenu-content').hide();
-      $('.wsmenu-submenu-list-content .wsmenu-content').first().show();
-    }
-  });
+    $('ul.multi-submenu li a').hover(
+        function () {
+            var href = $(this).attr('rel');
+            var node = href.split("/");
+            var nid = node[node.length - 1];
+            if(nid != '') {
+                $('.wsmenu-submenu-list-content .wsmenu-content').hide();
+                $('#'+nid+'.wsmenu-content').show();
+            }
+            else {
+                $('.wsmenu-submenu-list-content .wsmenu-content').hide();
+                $('.wsmenu-submenu-list-content .wsmenu-content').first().show();
+            }
+        }
+    );
 })(jQuery, Drupal);
diff --git a/src/Form/SettingsForm.php b/src/Form/SettingsForm.php
index e3382c5..34f5cde 100644
--- a/src/Form/SettingsForm.php
+++ b/src/Form/SettingsForm.php
@@ -34,8 +34,8 @@ class SettingsForm extends ConfigFormBase {
   public function buildForm(array $form, FormStateInterface $form_state) {
     $config = $this->config('zt_megamenu.settings');
     $elements = array(
-      'main'=>'Main Menu',
-      'secondary-menu'=>'Secondary Menu'
+      'main' => 'Main Menu',
+      'secondary-menu' => 'Secondary Menu',
     );
 
     $form['zt_megamenu_element'] = array(
@@ -62,11 +62,11 @@ class SettingsForm extends ConfigFormBase {
     parent::submitForm($form, $form_state);
 
     $this->config('zt_megamenu.settings')
-      ->set('bio', $form_state->getValue('bio'))
-      ->save();
+        ->set('bio', $form_state->getValue('bio'))
+        ->save();
     $this->config('zt_megamenu.settings')
-      ->set('zt_megamenu_element', $form_state->getValue('zt_megamenu_element'))
-      ->save();
+        ->set('zt_megamenu_element', $form_state->getValue('zt_megamenu_element'))
+        ->save();
   }
 
 }
diff --git a/stylesheets/zt_megamenu.css b/stylesheets/zt_megamenu.css
index c42fca4..8ec3d30 100644
--- a/stylesheets/zt_megamenu.css
+++ b/stylesheets/zt_megamenu.css
@@ -30,7 +30,7 @@
 }
 /* line 49, ../sass/zt_megamenu.scss */
 .ztmmenu ul:not(:first-child) li a:hover {
-  background: #833A96;
+  background: #833a96;
   color: white;
 }
 /* line 56, ../sass/zt_megamenu.scss */
@@ -59,7 +59,7 @@
 /* line 71, ../sass/zt_megamenu.scss */
 .ztmmenu ul.ztmmenu-list > li .wsmenu-submenu li.wsmenu-submenu-list-content .wsmenu-content {
   clear: both;
-  background: #833A96;
+  background: #833a96;
   height: 480px;
   padding: 1em;
   width: 25%;
@@ -189,7 +189,7 @@
 /* line 182, ../sass/zt_megamenu.scss */
 .ztmmenu ul.ztmmenu-list > li .wsmenu-submenu li.wsmenu-submenu-list-content > ul > li > ul {
   background: #fff;
-  border-left: 1px solid #CCCCCC;
+  border-left: 1px solid #cccccc;
   height: 480px;
   width: 100%;
   position: absolute;
@@ -207,7 +207,7 @@
 }
 /* line 196, ../sass/zt_megamenu.scss */
 .ztmmenu ul.ztmmenu-list > li .wsmenu-submenu li.wsmenu-submenu-list-content > ul > li > ul > li > ul {
-  border-left: 1px solid #CCCCCC;
+  border-left: 1px solid #cccccc;
   background: #fff;
   height: 480px;
   padding-left: 0;
diff --git a/zt_megamenu.module b/zt_megamenu.module
index 10d7146..70813f8 100644
--- a/zt_megamenu.module
+++ b/zt_megamenu.module
@@ -6,14 +6,7 @@
  */
 
 use Drupal\Core\Routing\RouteMatchInterface;
-use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Render\Element;
-use Drupal\Core\Menu;
-use Drupal\Core\Url;
 use Drupal\node\Entity\Node;
-use Drupal\node\Entity;
-use Drupal\Core\Field\FieldItemList;
-use Drupal\image\Entity\ImageStyle;
 
 /**
  * Implements hook_help().
@@ -48,9 +41,8 @@ function zt_megamenu_menu() {
  * Implements hook_page_attachments().
  */
 function zt_megamenu_page_attachments(&$page) {
-  /**
-   * Add module's main library, which includes JS and CSS.
-   */
+
+  // Add module's main library, which includes JS and CSS.
   $page['#attached']['library'][] = 'zt_megamenu/zt_megamenu-assets';
 }
 
@@ -58,10 +50,10 @@ function zt_megamenu_page_attachments(&$page) {
  * Implements hook_theme().
  */
 function zt_megamenu_theme() {
-  return array (
-    'zt_megamenu_formatter_default' => array (
-      'variables' => array (
-        'content' => NULL
+  return array(
+    'zt_megamenu_formatter_default' => array(
+      'variables' => array(
+        'content' => NULL,
       ),
     ),
   );
@@ -88,7 +80,7 @@ function parse_submenu($menu_item) {
     }
     return $nid;
   }
-  return false;
+  return FALSE;
 }
 
 /**
@@ -107,11 +99,11 @@ function _zt_megamenu_fetch_node_data($node_data) {
     }
     if (isset($each_node->get('body')->value)) {
       $body = $each_node->get('body')->value;
-      $body = substr($body,0,100) . '...';
-      $body=str_ireplace('<p>','',$body);
-      $body=str_ireplace('</p>','',$body);
+      $body = substr($body, 0, 100) . '...';
+      $body = str_ireplace('<p>', '', $body);
+      $body = str_ireplace('</p>', '', $body);
     }
-    $node_array[] = array (
+    $node_array[] = array(
       'nid' => $nid,
       'title' => $title,
       'body' => $body,
@@ -121,6 +113,9 @@ function _zt_megamenu_fetch_node_data($node_data) {
   return $node_array;
 }
 
+/**
+ * {@inheritdoc}
+ */
 function zt_megamenu_preprocess_zt_megamenu_formatter_default(&$variables) {
   $nodes_parse = $node_array = array();
   foreach ($variables['items'] as $item) {
