success.phtml

<div class="checkout-success">
    <?php if ($block->getOrderId()):?>
        <div class="success-messages">
            <?php if ($block->getCanViewOrder()) :?>
                <p><?= __('Your order number is: %1.', sprintf('<a href="%s" class="order-number"><strong>%s</strong></a>', $block->escapeHtml($block->getViewOrderUrl()), $block->escapeHtml($block->getOrderId()))) ?></p>
            <?php  else :?>
                <p><?= __('Your order # is: <span>%1</span>.', $block->escapeHtml($block->getOrderId())) ?></p>
            <?php endif;?>
            <p><?= __('We\'ll email you an order confirmation with details and tracking info.') ?></p>
        </div>
        <?= $block->getChildHtml('details') ?>
    <?php endif;?>

    <?= $block->getAdditionalInfoHtml() ?>

    <div class="actions-toolbar">
        <div class="primary">
            <a class="action primary continue" href="<?= $block->getUrl() ?>"><span><?= __('Continue Shopping') ?></span></a>
        </div>
    </div>
</div>