diff --git a/core/modules/layout_builder/css/layout-builder.css b/core/modules/layout_builder/css/layout-builder.css
index c98b894b09..18b155676e 100644
--- a/core/modules/layout_builder/css/layout-builder.css
+++ b/core/modules/layout_builder/css/layout-builder.css
@@ -133,21 +133,28 @@
   padding-left: 44px;
   color: #eee;
   border-bottom: 1px solid #333;
-  background: url(../../../misc/icons/bebebe/plus.svg) transparent 16px no-repeat;
+  background: url(../../../misc/icons/bebebe/plus.svg) #2f91da 16px no-repeat;
   font-size: 16px;
 }
 
-#drupal-off-canvas .inline-block-create-button,
+#drupal-off-canvas .inline-block-create-button {
+  margin: 0 -20px;
+}
+
+#drupal-off-canvas .inline-block-create-button:hover {
+  background-color: #004875;
+}
+
 #drupal-off-canvas .inline-block-list__item {
   margin: 0 -20px;
   background-color: #444;
 }
 
-#drupal-off-canvas .inline-block-create-button:hover,
 #drupal-off-canvas .inline-block-list__item:hover {
   background-color: #333;
 }
 
+
 #drupal-off-canvas .inline-block-list {
   margin-bottom: 15px;
 }
diff --git a/core/modules/layout_builder/src/Controller/ChooseBlockController.php b/core/modules/layout_builder/src/Controller/ChooseBlockController.php
index a20a351d56..ac877506b0 100644
--- a/core/modules/layout_builder/src/Controller/ChooseBlockController.php
+++ b/core/modules/layout_builder/src/Controller/ChooseBlockController.php
@@ -119,16 +119,23 @@ public function build(SectionStorageInterface $section_storage, $delta, $region)
         $build['add_block'] = [
           '#type' => 'link',
           '#url' => $url,
-          '#title' => $this->t('Create @entity_type', [
-            '@entity_type' => $this->entityTypeManager->getDefinition('block_content')->getSingularLabel(),
-          ]),
+          '#title' => $this->t('Add new block'),
           '#attributes' => $this->getAjaxAttributes(),
           '#access' => $this->currentUser->hasPermission('create and edit custom blocks'),
         ];
         $build['add_block']['#attributes']['class'][] = 'inline-block-create-button';
+        $build['add_block']['#attributes']['title'] = $this->t('Create an inline @entity_type and add it to the layout.', [
+          '@entity_type' => $this->entityTypeManager->getDefinition('block_content')->getSingularLabel(),
+        ]);
       }
     }
 
+    $build['add_existing'] = [
+      '#type' => 'item',
+      '#plain_text' => $this->t('Add existing block'),
+      '#attributes' => ['class' => ['existing-block-create-title']]
+    ];
+
     $build['filter'] = [
       '#type' => 'search',
       '#title' => $this->t('Filter by block name'),
diff --git a/core/themes/stable/css/layout_builder/layout-builder.css b/core/themes/stable/css/layout_builder/layout-builder.css
index 06b32a0eb4..b1bed1e7ed 100644
--- a/core/themes/stable/css/layout_builder/layout-builder.css
+++ b/core/themes/stable/css/layout_builder/layout-builder.css
@@ -133,21 +133,28 @@
   padding-left: 44px;
   color: #eee;
   border-bottom: 1px solid #333;
-  background: url(../../../../misc/icons/bebebe/plus.svg) transparent 16px no-repeat;
+  background: url(../../../../misc/icons/bebebe/plus.svg) #2f91da 16px no-repeat;
   font-size: 16px;
 }
 
-#drupal-off-canvas .inline-block-create-button,
+#drupal-off-canvas .inline-block-create-button {
+  margin: 0 -20px;
+}
+
+#drupal-off-canvas .inline-block-create-button:hover {
+  background-color: #004875;
+}
+
 #drupal-off-canvas .inline-block-list__item {
   margin: 0 -20px;
   background-color: #444;
 }
 
-#drupal-off-canvas .inline-block-create-button:hover,
 #drupal-off-canvas .inline-block-list__item:hover {
   background-color: #333;
 }
 
+
 #drupal-off-canvas .inline-block-list {
   margin-bottom: 15px;
 }