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diff --git a/web/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php b/web/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
new file mode 100644
index 000000000..330528528
--- /dev/null
+++ b/web/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
@@ -0,0 +1,186 @@
+<?php
+
+namespace Drupal\system\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+use Drupal\Core\Cache\Cache;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a block to display 'Site branding' elements.
+ *
+ * @Block(
+ *   id = "system_branding_block",
+ *   admin_label = @Translation("Site branding")
+ * )
+ */
+class SystemBrandingBlock extends BlockBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * Stores the configuration factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * Creates a SystemBrandingBlock instance.
+   *
+   * @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\Config\ConfigFactoryInterface $config_factory
+   *   The factory for configuration objects.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigFactoryInterface $config_factory) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->configFactory = $config_factory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('config.factory')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    return [
+      'use_site_logo' => TRUE,
+      'use_site_name' => TRUE,
+      'use_site_slogan' => TRUE,
+      'label_display' => FALSE,
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function blockForm($form, FormStateInterface $form_state) {
+    // Get the theme.
+    $theme = $form_state->get('block_theme');
+
+    // Get permissions.
+    $url_system_theme_settings = new Url('system.theme_settings');
+    $url_system_theme_settings_theme = new Url('system.theme_settings_theme', ['theme' => $theme]);
+
+    if ($url_system_theme_settings->access() && $url_system_theme_settings_theme->access()) {
+      // Provide links to the Appearance Settings and Theme Settings pages
+      // if the user has access to administer themes.
+      $site_logo_description = $this->t('Defined on the <a href=":appearance">Appearance Settings</a> or <a href=":theme">Theme Settings</a> page.', [
+        ':appearance' => $url_system_theme_settings->toString(),
+        ':theme' => $url_system_theme_settings_theme->toString(),
+      ]);
+    }
+    else {
+      // Explain that the user does not have access to the Appearance and Theme
+      // Settings pages.
+      $site_logo_description = $this->t('Defined on the Appearance or Theme Settings page. You do not have the appropriate permissions to change the site logo.');
+    }
+    $url_system_site_information_settings = new Url('system.site_information_settings');
+    if ($url_system_site_information_settings->access()) {
+      // Get paths to settings pages.
+      $site_information_url = $url_system_site_information_settings->toString();
+
+      // Provide link to Site Information page if the user has access to
+      // administer site configuration.
+      $site_name_description = $this->t('Defined on the <a href=":information">Site Information</a> page.', [':information' => $site_information_url]);
+      $site_slogan_description = $this->t('Defined on the <a href=":information">Site Information</a> page.', [':information' => $site_information_url]);
+    }
+    else {
+      // Explain that the user does not have access to the Site Information
+      // page.
+      $site_name_description = $this->t('Defined on the Site Information page. You do not have the appropriate permissions to change the site logo.');
+      $site_slogan_description = $this->t('Defined on the Site Information page. You do not have the appropriate permissions to change the site logo.');
+    }
+
+    $form['block_branding'] = [
+      '#type' => 'fieldset',
+      '#title' => $this->t('Toggle branding elements'),
+      '#description' => $this->t('Choose which branding elements you want to show in this block instance.'),
+    ];
+    $form['block_branding']['use_site_logo'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Site logo'),
+      '#description' => $site_logo_description,
+      '#default_value' => $this->configuration['use_site_logo'],
+    ];
+
+    $form['block_branding']['use_site_name'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Site name'),
+      '#description' => $site_name_description,
+      '#default_value' => $this->configuration['use_site_name'],
+    ];
+    $form['block_branding']['use_site_slogan'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Site slogan'),
+      '#description' => $site_slogan_description,
+      '#default_value' => $this->configuration['use_site_slogan'],
+    ];
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function blockSubmit($form, FormStateInterface $form_state) {
+    $block_branding = $form_state->getValue('block_branding');
+    $this->configuration['use_site_logo'] = $block_branding['use_site_logo'];
+    $this->configuration['use_site_name'] = $block_branding['use_site_name'];
+    $this->configuration['use_site_slogan'] = $block_branding['use_site_slogan'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build() {
+    $build = [];
+    $site_config = $this->configFactory->get('system.site');
+
+    $build['site_logo'] = [
+      '#theme' => 'image',
+      '#uri' => theme_get_setting('logo.url'),
+      '#alt' => $this->t('Home'),
+      '#access' => $this->configuration['use_site_logo'],
+    ];
+
+    $build['site_name'] = [
+      '#markup' => $site_config->get('name'),
+      '#access' => $this->configuration['use_site_name'],
+    ];
+
+    $build['site_slogan'] = [
+      '#markup' => $site_config->get('slogan'),
+      '#access' => $this->configuration['use_site_slogan'],
+    ];
+
+    return $build;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheTags() {
+    return Cache::mergeTags(
+      parent::getCacheTags(),
+      $this->configFactory->get('system.site')->getCacheTags()
+    );
+  }
+
+}