I'm using a sub-theme of the Bootstrap v8.x-3.1 theme.

By default the search button shows the search icon.

In the theme settings you can un-check 'Iconize Buttons' which I expect would show the 'Search' text instead of the icon, however it shows an empty button... no text or icon.

Iconize Buttons

How do I get the button to show 'Search' text instead of an icon?

1 Answer 1


The solution I found for this was to copy this file from the Bootstrap theme directory


to the same location in your sub-theme.

Then you can set the icon_only property to FALSE.


 * @file
 * Contains \Drupal\subtheme\Plugin\Form\SearchBlockForm.

namespace Drupal\subtheme\Plugin\Form;

use Drupal\bootstrap\Annotation\BootstrapForm;
use Drupal\bootstrap\Plugin\Form\FormBase;
use Drupal\bootstrap\Utility\Element;
use Drupal\Core\Form\FormStateInterface;

 * Implements hook_form_FORM_ID_alter().
 * @ingroup plugins_form
 * @BootstrapForm("search_block_form")
class SearchBlockForm extends FormBase {

   * {@inheritdoc}
  public function alterFormElement(Element $form, FormStateInterface $form_state, $form_id = NULL) {
    $form->actions->submit->setProperty('icon_only', FALSE);
    $form->keys->setProperty('input_group_button', FALSE);


I still think there must be an easier way... but until then.

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