diff --git a/config/install/layout_builder_browser.layout_builder_browser_block.inline_blockuw_cbl_twitter.yml b/config/install/layout_builder_browser.layout_builder_browser_block.uw_lbb_twitter.yml
similarity index 72%
rename from config/install/layout_builder_browser.layout_builder_browser_block.inline_blockuw_cbl_twitter.yml
rename to config/install/layout_builder_browser.layout_builder_browser_block.uw_lbb_twitter.yml
index c2659882ef84a6233fe07f394a4dadbe27c6352c..2bac90d7f3e1bb80a6d77c06fbbc6f5ff259157c 100644
--- a/config/install/layout_builder_browser.layout_builder_browser_block.inline_blockuw_cbl_twitter.yml
+++ b/config/install/layout_builder_browser.layout_builder_browser_block.uw_lbb_twitter.yml
@@ -1,10 +1,10 @@
 langcode: en
 status: true
 dependencies: {  }
-id: inline_blockuw_cbl_twitter
-block_id: 'inline_block:uw_cbl_twitter'
+id: uw_lbb_twitter
+block_id: uw_cbl_twitter
 category: uw_bc_external_embeds
 label: Twitter
-weight: 0
+weight: -4
 image_path: /profiles/uw_base_profile/themes/uw_fdsu_theme_resp/images/layout_builder_browser/twitter.svg
 image_alt: ''
diff --git a/src/Plugin/CKEditorPlugin/MathJaxPlugin.php b/src/Plugin/CKEditorPlugin/MathJaxPlugin.php
index bdfd952bf2a7a0e20513a9713e9386db62b1d140..03a61afae6af60733f42465e352894285ebb00f5 100644
--- a/src/Plugin/CKEditorPlugin/MathJaxPlugin.php
+++ b/src/Plugin/CKEditorPlugin/MathJaxPlugin.php
@@ -3,7 +3,11 @@
 namespace Drupal\uw_cfg_common\Plugin\CKEditorPlugin;
 
 use Drupal\ckeditor\CKEditorPluginBase;
+use Drupal\Core\File\FileSystem;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\editor\Entity\Editor;
+use Drupal\Core\Asset\LibrariesDirectoryFileFinder;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Defines the "mathjax" plugin.
@@ -13,7 +17,48 @@ use Drupal\editor\Entity\Editor;
  *   label = @Translation("Mathjax")
  * )
  */
-class MathJaxPlugin extends CKEditorPluginBase {
+class MathJaxPlugin extends CKEditorPluginBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * Library file finder.
+   *
+   * @var \Drupal\Core\Asset\LibrariesDirectoryFileFinder
+   */
+  protected $libFileFinder;
+
+  /**
+   * File system.
+   *
+   * @var \Drupal\Core\File\FileSystem
+   */
+  protected $fileSystem;
+
+  /**
+   * Constructs a BlockComponentRenderArray object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin ID for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Asset\LibrariesDirectoryFileFinder $libFileFinder
+   *   The library file finder.
+   * @param \Drupal\Core\File\FileSystem $fileSystem
+   *   The file system.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, LibrariesDirectoryFileFinder $libFileFinder, FileSystem $fileSystem) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->libFileFinder = $libFileFinder;
+    $this->fileSystem = $fileSystem;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static($configuration, $plugin_id, $plugin_definition, $container->get('library.libraries_directory_file_finder'), $container->get('file_system'));
+  }
 
   /**
    * {@inheritdoc}
@@ -50,7 +95,7 @@ class MathJaxPlugin extends CKEditorPluginBase {
     return [
       'Mathjax' => [
         'label' => $this->t('Math'),
-        'image' => drupal_get_path('profile', 'uw_base_profile') . '/libraries/ckeditor-mathjax/icons/mathjax.png',
+        'image' => $this->fileSystem->realpath($this->libFileFinder->find('ckeditor-mathjax')) . '/icons/mathjax.png',
       ],
     ];
   }
@@ -59,7 +104,7 @@ class MathJaxPlugin extends CKEditorPluginBase {
    * {@inheritdoc}
    */
   public function getFile() {
-    return drupal_get_path('profile', 'uw_base_profile') . '/libraries/ckeditor-mathjax/plugin.js';
+    return $this->fileSystem->realpath($this->libFileFinder->find('ckeditor-mathjax')) . '/plugin.js';
   }
 
 }