diff --git a/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php b/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php
index 75e08a6..59aa3fb 100644
--- a/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php
+++ b/src/Plugin/paragraphs/Behavior/ParagraphsStylePlugin.php
@@ -130,6 +130,7 @@ class ParagraphsStylePlugin extends ParagraphsBehaviorBase implements ContainerF
   public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
     $form['group'] = [
       '#type' => 'select',
+      '#multiple' => TRUE,
       '#empty_option' => $this->t('- None -'),
       '#options' => $this->yamlStyleDiscovery->getStyleGroups(),
       '#title' => $this->t('Style group'),
@@ -142,17 +143,23 @@ class ParagraphsStylePlugin extends ParagraphsBehaviorBase implements ContainerF
     ];
     // @todo: Remove getCompleteFormState() after https://www.drupal.org/project/drupal/issues/2798261.
     $group_key = ['behavior_plugins', $this->getPluginId(), 'settings', 'group'];
-    $group = $form_state->getCompleteFormState()->getValue($group_key, $this->configuration['group']);
-    $form['default'] = [
-      '#type' => 'select',
-      '#empty_option' => $this->t('- None -'),
-      '#options' => $this->yamlStyleDiscovery->getStyleOptions($group),
-      '#title' => $this->t('Default style'),
-      '#description' => $this->t('This style will be default option on a behavior form.'),
-      '#default_value' => $this->configuration['default'],
+    $groups = $form_state->getCompleteFormState()->getValue($group_key, $this->configuration['group']);
+    $form['defaults'] = [
+      '#type' => 'container',
       '#prefix' => '<div id="style-wrapper">',
       '#suffix' => '</div>',
     ];
+    foreach($groups as $group) {
+      $form['defaults'][$group] = [
+        '#type' => 'select',
+        '#empty_option' => $this->t('- None -'),
+        '#options' => $this->yamlStyleDiscovery->getStyleOptions($group),
+        '#title' => $this->t('Default style'),
+        '#description' => $this->t('This style will be default option on a behavior form.'),
+        '#default_value' => $this->configuration['default'],
+      ];
+    }
+
     return $form;
   }
 
@@ -163,7 +170,7 @@ class ParagraphsStylePlugin extends ParagraphsBehaviorBase implements ContainerF
     $group_select = $form_state->getTriggeringElement();
     // Gets the behavior plugin settings form.
     $settings_form = NestedArray::getValue($form, array_slice($group_select['#array_parents'], 0, -1));
-    return $settings_form['default'];
+    return $settings_form['defaults'];
   }
 
   /**