themes-wordpress/rainfall/templates/search.html

<!-- wp:group {"style":{"elements":{"link":{"color":{"text":"var:preset|color|white"}}}},"backgroundColor":"black","textColor":"white"} -->
<div class="wp-block-group has-white-color has-black-background-color has-text-color has-background has-link-color"><!-- wp:template-part {"slug":"header","tagName":"header"} /-->

<!-- wp:group {"layout":{"inherit":true}} -->
<div class="wp-block-group"><!-- wp:group {"align":"wide"} -->
<div class="wp-block-group alignwide"><!-- wp:search {"label":"Search","showLabel":false,"buttonText":"Search","backgroundColor":"white","textColor":"black","border":{"width":"1px"},"borderColor":"white"} /--></div>
<!-- /wp:group -->

<!-- wp:spacer {"height":"12px"} -->
<div style="height:12px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:group --></div>
<!-- /wp:group -->

<!-- wp:template-part {"slug":"query"} /-->

<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->