newsupernova/vendor/magento/module-currency-symbol/view/adminhtml/templates/system/currency/rates.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

// @codingStandardsIgnoreFile

?>
<?php
/**
 * @var $block \Magento\CurrencySymbol\Block\Adminhtml\System\Currency
 */
?>

<form action="<?= /* @escapeNotVerified */ $block->getImportFormAction() ?>" method="post" class="import-service">
    <?= $block->getBlockHtml('formkey') ?>
    <fieldset class="admin__fieldset admin__fieldset-import-service">
        <?= $block->getServicesHtml() ?>
        <?= $block->getImportButtonHtml() ?>
    </fieldset>
</form>
<?= $block->getResetButtonHtml() ?>
<?= $block->getSaveButtonHtml() ?>
<?= $block->getRatesMatrixHtml() ?>