diff --git a/core/modules/language/lib/Drupal/language/Form/NegotiationConfigureForm.php b/core/modules/language/lib/Drupal/language/Form/NegotiationConfigureForm.php
index 24ae048..2aa060e 100644
--- a/core/modules/language/lib/Drupal/language/Form/NegotiationConfigureForm.php
+++ b/core/modules/language/lib/Drupal/language/Form/NegotiationConfigureForm.php
@@ -117,6 +117,7 @@ public function buildForm(array $form, array &$form_state) {
     $form['actions'] = array('#type' => 'actions');
     $form['actions']['submit'] = array(
       '#type' => 'submit',
+      '#button_type' => 'primary',
       '#value' => $this->t('Save settings'),
     );
 
diff --git a/core/themes/seven/style.css b/core/themes/seven/style.css
index aa699e0..d6707a7 100644
--- a/core/themes/seven/style.css
+++ b/core/themes/seven/style.css
@@ -1717,11 +1717,3 @@ details.fieldset-no-legend {
 .js .form-actions .dropbutton-multiple.open .dropbutton-action:hover {
   background-color: #50a0e9;
 }
-
-/* Language Admin UI */
-.page-admin-config-regional-language-detection .table-language-group {
-  margin-bottom: 3em;
-}
-.page-admin-config-regional-language-detection .form-actions {
-  margin-top: -2em;
-}