themes-wordpress/stewart/templates/index.html

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

<!-- wp:group {"align":"wide","layout":{"inherit":true}} -->
<div class="wp-block-group alignwide"><!-- wp:columns {"align":"wide"} -->
<div class="wp-block-columns alignwide"><!-- wp:column {"width":"30%"} -->
<div class="wp-block-column" style="flex-basis:30%"><!-- wp:template-part {"slug":"sidebar","tagName":"aside"} /--></div>
<!-- /wp:column -->

<!-- wp:column {"width":"70%","style":{"spacing":{"padding":{"top":"0px","right":"0px","bottom":"0px","left":"0px"}}}} -->
<div class="wp-block-column" style="padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;flex-basis:70%"><!-- wp:group {"tagName":"main"} -->

<main class="wp-block-group">
<!-- wp:pattern {"slug":"stewart/posts-list"} /-->
</main>

<!-- /wp:group --></div>
<!-- /wp:column --></div>
<!-- /wp:columns --></div>
<!-- /wp:group -->

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