diff --git a/src/Controller/Component/NavigationComponent.php b/src/Controller/Component/NavigationComponent.php
index aa6f466..23dac07 100644
--- a/src/Controller/Component/NavigationComponent.php
+++ b/src/Controller/Component/NavigationComponent.php
@@ -121,15 +121,20 @@ class NavigationComponent extends Component
                         ],
                     ]
                 ],
-                'LocalTools' => [
+                'Instance' => [
                     'label' => __('Instance'),
-                    'icon' => $this->iconToTableMapping['LocalTools'],
+                    'icon' => $this->iconToTableMapping['Instance'],
                     'children' => [
+                        'Settings' => [
+                            'label' => __('Settings'),
+                            'url' => '/instance/settings',
+                            'icon' => 'cogs',
+                        ],
                         'Database' => [
                             'label' => __('Database'),
                             'url' => '/instance/migrationIndex',
                             'icon' => 'database',
-                        ]
+                        ],
                     ]
                 ],
             ],
diff --git a/templates/element/Settings/fieldGroup.php b/templates/element/Settings/fieldGroup.php
index f73bf4e..dbd889b 100644
--- a/templates/element/Settings/fieldGroup.php
+++ b/templates/element/Settings/fieldGroup.php
@@ -41,7 +41,7 @@
     ]);
 
     $inputGroupSave = $this->Bootstrap->genNode('div', [
-        'class' => ['input-group-append', 'd-none', 'position-relative', 'input-group-actions'],
+        'class' => ['d-none', 'position-relative', 'input-group-actions'],
     ], implode('', [
             $this->Bootstrap->genNode('a', [
                 'class' => ['position-absolute', 'fas fa-times', 'p-abs-center-y', 'text-reset text-decoration-none', 'btn-reset-setting'],
diff --git a/webroot/css/bootstrap-additional.css b/webroot/css/bootstrap-additional.css
index fd47cfa..3805c7b 100644
--- a/webroot/css/bootstrap-additional.css
+++ b/webroot/css/bootstrap-additional.css
@@ -111,31 +111,31 @@ div.progress-timeline .progress-line.progress-inactive {
 
 .callout {
     border: 1px solid #00000000;
-        border-left-color: var(--light);
+        border-left-color: var(--bs-light);
         border-left-width: 1px;
     border-left-width: .25rem;
     border-radius: .25rem;
 }
 .callout-primary {
-    border-left-color: var(--primary);
+    border-left-color: var(--bs-primary);
 }
 .callout-info {
-    border-left-color: var(--info);
+    border-left-color: var(--bs-info);
 }
 .callout-success {
-    border-left-color: var(--success);
+    border-left-color: var(--bs-success);
 }
 .callout-warning {
-    border-left-color: var(--warning);
+    border-left-color: var(--bs-warning);
 }
 .callout-danger {
-    border-left-color: var(--danger);
+    border-left-color: var(--bs-danger);
 }
 .callout-dark {
-    border-left-color: var(--dark);
+    border-left-color: var(--bs-dark);
 }
 .callout-light {
-    border-left-color: var(--light);
+    border-left-color: var(--bs-light);
 }
 
 .form-control.is-invalid.warning {