diff --git a/rdf_builder/src/Form/ContentBuilderForm.php b/rdf_builder/src/Form/ContentBuilderForm.php
index 6d2001a..eafbd99 100644
--- a/rdf_builder/src/Form/ContentBuilderForm.php
+++ b/rdf_builder/src/Form/ContentBuilderForm.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\rdf_builder\Form;
 
+use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\String;
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
@@ -64,8 +65,8 @@ class ContentBuilderForm extends FormBase {
   public function __construct() {
     $this->converter = new SchemaOrgConverter();
     $this->datatype_field_mappings = array(
-      'http://schema.org/Text' => 'text',
-      'http://schema.org/PostalAddress' => 'text_long',
+      'http://schema.org/Text' => 'string',
+      'http://schema.org/PostalAddress' => 'string_long',
       'http://schema.org/Number' => 'integer',
       'http://schema.org/MediaObject' => 'file',
       'http://schema.org/AudioObject' => 'file',
@@ -90,15 +91,15 @@ class ContentBuilderForm extends FormBase {
    */
   public function nextSubmit(array &$form, FormStateInterface &$form_state) {
 
-    $form_state->set(['page_values','1'],$form_state->getValues());
+    $form_state->set(['page_values', 1], $form_state->getValues());
 
-    if (!is_null($form_state->get(['page_values','2']))) {
-      $form_state->setValues($form_state->get(['page_values','2']));
+    if ($form_state->has(['page_values', 2])) {
+      $form_state->setValues($form_state->get(['page_values', 2]));
     }
 
     // When form rebuilds, build method would be chosen based on to page_num.
     $form_state->set('page_num', 2);
-    $form_state->setRebuild(TRUE);
+    $form_state->setRebuild();
   }
 
   /**
@@ -113,13 +114,13 @@ class ContentBuilderForm extends FormBase {
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
 
-    // Display page 2 if $form_state['page_num'] == 2.
-    if (!is_null($form_state->get('page_num')) && $form_state->get('page_num')== 2) {
+    // Display page 2 if $form_state->get('page_num') == 2.
+    if ($form_state->has('page_num') && $form_state->get('page_num') == 2) {
       return $this->buildFormPageTwo($form, $form_state);
     }
 
     // Otherwise build page 1.
-    $form_state->set('page_num',1);
+    $form_state->set('page_num', 1);
 
     $form['#title'] = $this->t('Content types');
     $form['description'] = array(
@@ -134,14 +135,11 @@ class ContentBuilderForm extends FormBase {
       '#required' => TRUE,
       '#options' => $this->converter->getListTypes(),
       '#empty_option' => '',
-      '#default_value' => !is_null($form_state->getValue('rdf-type')) ? $form_state->getValue('rdf-type') : '',
+      '#default_value' => $form_state->getValue('rdf-type', ''),
       '#attached' => array(
         'library' => array(
           'rdfui/drupal.rdfui.autocomplete',
         ),
-        'css' => array(
-          drupal_get_path('module', 'rdfui') . '/css/rdfui.autocomplete.css',
-        ),
       ),
       '#description' => $this->t('Specify the type you want to associated to this content type e.g. Article, Blog, etc.'),
     );
@@ -175,7 +173,7 @@ class ContentBuilderForm extends FormBase {
       '#title' => $this->t('Choose fields to start with.'),
     );
 
-    $rdf_type = $form_state->get(['page_values',1,'rdf-type']);
+    $rdf_type = $form_state->get(['page_values', 1, 'rdf-type']);
     $properties = $this->converter->getTypeProperties($rdf_type);
     $field_types = \Drupal::service('plugin.manager.field.field_type')
       ->getUiDefinitions();
@@ -200,14 +198,14 @@ class ContentBuilderForm extends FormBase {
       '#regions' => array(),
       '#attributes' => array(
         'class' => array('rdfui-field-mappings'),
-        'id' => drupal_html_id('rdf-builder'),
+        'id' => Html::getId('rdf-builder'),
       ),
     );
 
     foreach ($properties as $key => $value) {
       $table[$key] = array(
         '#attributes' => array(
-          'id' => drupal_html_class($key),
+          'id' => Html::getClass($key),
         ),
         'enable' => array(
           '#type' => 'checkbox',
@@ -290,7 +288,7 @@ class ContentBuilderForm extends FormBase {
   public function pageTwoBackSubmit(array &$form, FormStateInterface &$form_state) {
     $form_state->setValues($form_state->get(['page_values', 1]));
     $form_state->set('page_num', 1);
-    $form_state->setRebuild(TRUE);
+    $form_state->setRebuild();
   }
 
   /**
@@ -321,7 +319,7 @@ class ContentBuilderForm extends FormBase {
       }
     }
 
-    $page_one_values = $form_state->get(['page_values',1]);
+    $page_one_values = $form_state->get(['page_values', 1]);
     $rdf_type = $page_one_values['rdf-type'];
 
     $this->createNodeType($rdf_type);
@@ -403,6 +401,7 @@ class ContentBuilderForm extends FormBase {
       try {
         entity_create('field_storage_config', $field_storage)->save();
         entity_create('field_config', $instance)->save();
+
         // Make sure the field is displayed in the 'default' form mode (using
         // default widget and settings). It stays hidden for other form modes
         // until it is explicitly configured.
@@ -470,6 +469,6 @@ class ContentBuilderForm extends FormBase {
         return $this->datatype_field_mappings[$datatype];
       }
     }
-    return 'text';
+    return 'string';
   }
 }
diff --git a/rdf_builder/src/Tests/ContentTypeBuilderTest.php b/rdf_builder/src/Tests/ContentTypeBuilderTest.php
index 48f549e..ee5e824 100644
--- a/rdf_builder/src/Tests/ContentTypeBuilderTest.php
+++ b/rdf_builder/src/Tests/ContentTypeBuilderTest.php
@@ -26,7 +26,7 @@ class ContentTypeBuilderTest extends WebTestBase {
     'field',
     'node',
     'field_ui',
-    );
+  );
 
   /**
    * {@inheritdoc}
@@ -77,12 +77,7 @@ class ContentTypeBuilderTest extends WebTestBase {
     $this->assertText("Create field: you need to provide a data type for name", 'Form validated and errors displayed.');
     $this->assertUrl($this->uri, array(), 'Stayed on same page after incorrect submission.');
 
-    $edit = array(
-      'fields[schema:email][enable]' => '1',
-      'fields[schema:email][type]' => 'email',
-      'fields[schema:name][enable]' => '1',
-      'fields[schema:name][type]' => 'text',
-    );
+    $edit['fields[schema:name][type]'] = 'text';
 
     $this->drupalPostForm(NULL, $edit, t('Save'));
     //$this->assertUrl('admin/structure/types', array(), 'Redirected to correct url upon correct submission.');
diff --git a/rdfui.libraries.yml b/rdfui.libraries.yml
index 89e1403..baf0b31 100644
--- a/rdfui.libraries.yml
+++ b/rdfui.libraries.yml
@@ -2,9 +2,9 @@ drupal.rdfui.autocomplete:
   version: VERSION
   js:
     js/rdfui.autocomplete.js: {}
-#  css:
-#    component:
-#      css/rdfui.autocomplete.css: {}
+  css:
+    theme:
+      css/rdfui.autocomplete.css: {}
   dependencies:
     - core/drupal.autocomplete
     - core/jquery
diff --git a/src/ContentMappings.php b/src/ContentMappings.php
index 1eb04d2..13dc65d 100644
--- a/src/ContentMappings.php
+++ b/src/ContentMappings.php
@@ -47,9 +47,6 @@ class ContentMappings {
         'library' => array(
           'rdfui/drupal.rdfui.autocomplete',
         ),
-        'css' => array(
-          drupal_get_path('module', 'rdfui') . '/css/rdfui.autocomplete.css',
-        ),
       ),
       '#default_value' => !empty($existing_type) ? $existing_type['types'][0] : '',
       '#description' => t('Specify the type you want to associated to this content type e.g. Article, Blog, etc.'),
@@ -70,14 +67,14 @@ class ContentMappings {
    * Saves Schema.org mappings in \Drupal\node\NodeTypeForm.
    */
   public static function submitForm(array &$form, FormStateInterface $form_state) {
-    if (!is_null($form_state->getValue('types'))) {
+    if ($form_state->hasValue('types')) {
       $entity_type = $form_state->getFormObject()->getEntity();
       $mapping = rdf_get_mapping('node', $entity_type->id());
       if ($entity_type->isNew()) {
-        $mapping = rdf_get_mapping('node', $form_state->getValue('type'));
+        $mapping = rdf_get_mapping('node', $form_state->getValue('types'));
       }
 
-      if (!is_null($form_state->getValue('types'))) {
+      if ($form_state->hasValue('types')) {
         $mapping->setBundleMapping(array('types' => array($form_state->getValue('types'))))
           ->save();
       }
diff --git a/src/Form/FieldMappings.php b/src/Form/FieldMappings.php
index fc6548e..f092192 100644
--- a/src/Form/FieldMappings.php
+++ b/src/Form/FieldMappings.php
@@ -7,21 +7,25 @@
 
 namespace Drupal\rdfui\Form;
 
+use Drupal\Component\Plugin\PluginManagerBase;
 use Drupal\Component\Utility\String;
+use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
-use Drupal\Core\Field\FieldTypePluginManagerInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Field\FieldTypePluginManager;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Render\Element;
 use Drupal\field\FieldConfigInterface;
-use Drupal\field_ui\OverviewBase;
+use Drupal\field_ui\FormDisplayOverview;
 use Drupal\rdfui\EasyRdfConverter;
 use Drupal\rdfui\SchemaOrgConverter;
 
 use Symfony\Component\DependencyInjection\ContainerInterface;
+
 /**
  * RDF UI Field Mapping form.
  */
-class FieldMappings extends OverviewBase {
+class FieldMappings extends FormDisplayOverview{
 
   /**
    * The field type manager.
@@ -42,11 +46,17 @@ class FieldMappings extends OverviewBase {
    *
    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
    *   The entity manager.
-   * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
+   * @param \Drupal\Core\Field\FieldTypePluginManager $field_type_manager
    *   The field type manager.
+   * @param \Drupal\Component\Plugin\PluginManagerBase $plugin_manager
+   *   The widget or formatter plugin manager.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler to use for invoking hooks.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The configuration factory.
    */
-  public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManagerInterface $field_type_manager) {
-    parent::__construct($entity_manager);
+  public function __construct(EntityManagerInterface $entity_manager, FieldTypePluginManager $field_type_manager, PluginManagerBase $plugin_manager, ModuleHandlerInterface $module_handler, ConfigFactoryInterface $config_factory) {
+    parent::__construct($entity_manager, $field_type_manager, $plugin_manager, $module_handler, $config_factory);
     $this->fieldTypeManager = $field_type_manager;
     $this->rdfConverter = new SchemaOrgConverter();
   }
@@ -57,7 +67,10 @@ class FieldMappings extends OverviewBase {
   public static function create(ContainerInterface $container) {
     return new static(
       $container->get('entity.manager'),
-      $container->get('plugin.manager.field.field_type')
+      $container->get('plugin.manager.field.field_type'),
+      $container->get('plugin.manager.field.widget'),
+      $container->get('module_handler'),
+      $container->get('config.factory')
     );
   }
 
@@ -135,9 +148,6 @@ class FieldMappings extends OverviewBase {
             'library' => array(
               'rdfui/drupal.rdfui.autocomplete',
             ),
-            'css' => array(
-              drupal_get_path('module', 'rdfui') . '/css/rdfui.autocomplete.css',
-            ),
           ),
           '#default_value' => !empty($property) ? $property['properties'][0] : '',
         ),
@@ -192,7 +202,7 @@ class FieldMappings extends OverviewBase {
   }
 
   /**
-   * Overrides \Drupal\field_ui\OverviewBase::submitForm().
+   * Overrides \Drupal\field_ui\FormDisplayOverview::submitForm().
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
 
diff --git a/src/Plugin/Derivative/RdfUiLocalTask.php b/src/Plugin/Derivative/RdfUiLocalTask.php
index 478dfad..9be5251 100644
--- a/src/Plugin/Derivative/RdfUiLocalTask.php
+++ b/src/Plugin/Derivative/RdfUiLocalTask.php
@@ -101,7 +101,7 @@ class RdfUiLocalTask extends DeriverBase implements ContainerDeriverInterface {
    */
   public function alterLocalTasks(array &$local_tasks) {
     foreach ($this->entityManager->getDefinitions() as $entity_type => $entity_info) {
-      if ($entity_info->isFieldable() && $entity_info->hasLinkTemplate('admin-form')) {
+      if ($entity_type->get('field_ui_base_route')) {
         $admin_form = $entity_info->getLinkTemplate('admin-form');
 
         $local_tasks["field_ui.fields:rdf_$entity_type"]['base_route'] = $admin_form;
