refactored singular template's padding configuration

loudness/templates/singular.html

@@ -1,16 +1,14 @@
 <!-- wp:template-part {"slug":"header","tagName":"header"} /-->
 
-<!-- wp:group {"tagName":"main","lock":{"move":false,"remove":true},"layout":{"type":"constrained"}} -->
-<main class="wp-block-group">
-
-	<!-- wp:post-featured-image {"align":"full","style":{"spacing":{"margin":{"bottom":"var:preset|spacing|70"}}}} /-->
-
+<!-- wp:group {"layout":{"type":"constrained"}} -->
+<div class="wp-block-group">
+	<!-- wp:post-featured-image {"align":"full","style":{"spacing":{"margin":{"bottom":"var:preset|spacing|80"}}}} /-->
 	<!-- wp:post-title {"style":{"spacing":{"margin":{"bottom":"var:preset|spacing|70"}}}} /-->
-
-	<!-- wp:post-content {"layout":{"type":"constrained"},"lock":{"move":false,"remove":true}} /-->
-</main>
+</div>
 <!-- /wp:group -->
 
+<!-- wp:post-content {"tagName":"main","layout":{"type":"constrained"},"lock":{"move":false,"remove":true}} /-->
+
 <!-- wp:spacer {"height":"4rem"} -->
 <div style="height:4rem" aria-hidden="true" class="wp-block-spacer"></div>
 <!-- /wp:spacer -->