wp-bootstrap/templates/page-sidebar.html

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

<!-- wp:group {"tagName":"main","style":{"spacing":{"margin":{"top":"var:preset|spacing|60"}}},"layout":{"type":"constrained"}} -->
<main class="wp-block-group" style="margin-top:var(--wp--preset--spacing--60)">
    <!-- wp:columns {"align":"wide","style":{"spacing":{"blockGap":{"left":"var:preset|spacing|60"}}}} -->
    <div class="wp-block-columns alignwide">
        <!-- wp:column {"width":"66.66%"} -->
        <div class="wp-block-column" style="flex-basis:66.66%">
            <!-- wp:post-featured-image {"style":{"spacing":{"margin":{"bottom":"var:preset|spacing|60"}}}} /-->
            <!-- wp:post-title {"level":1} /-->
            <!-- wp:post-content {"align":"full","layout":{"type":"constrained"}} /-->
        </div>
        <!-- /wp:column -->

        <!-- wp:column {"width":"33.33%"} -->
        <div class="wp-block-column" style="flex-basis:33.33%">
            <!-- wp:template-part {"slug":"sidebar"} /-->
        </div>
        <!-- /wp:column -->
    </div>
    <!-- /wp:columns -->
</main>
<!-- /wp:group -->

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