themes-wordpress/ibis/block-templates/singular.html

<!-- wp:group {"align":"full","tagName":"header"} -->
<div class="wp-block-group alignfull"><div class="wp-block-group__inner-container"><!-- wp:template-part {"slug":"header","theme":"ibis","align":"full"} /--></div></div>
<!-- /wp:group -->

<!-- wp:group {"align":"full","className":"site-content","tagName":"main","lock":{"move":false,"remove":true}} -->
<div class="wp-block-group alignfull site-content"><div class="wp-block-group__inner-container">
<!-- wp:post-title /-->
<!-- wp:post-content {"align":"full","lock":{"move":false,"remove":true}} /--></div></div>
<!-- /wp:group -->

<!-- wp:group {"align":"full","tagName":"footer"} -->
<div class="wp-block-group alignfull"><div class="wp-block-group__inner-container"><!-- wp:template-part {"slug":"footer","theme":"ibis","align":"full"} /--></div></div>
<!-- /wp:group -->