themes-wordpress/lettre/patterns/newsletter-large.php

<?php
/**
 * Title: Large newsletter signup
 * Slug: lettre/newsletter-large
 * Categories: featured, newsletter
 */
?>

<!-- wp:jetpack/subscriptions {"buttonBackgroundColor":"foreground","textColor":"secondary","fontSize":"1.125rem","customFontSize":"1.125rem","borderRadius":0,"borderWeight":10,"borderColor":"foreground","className":"is-style-compact"} /-->