Loudness: Make sure the elements in the header and the footer don't bump to the screen edges (#7364)

loudness/parts/header.html

@@ -1,8 +1,7 @@
-<!-- wp:group {"layout":{"inherit":"true"},"style":{"spacing":{"padding":{"bottom":"var(--wp--style--root--padding-left)","top":"var(--wp--style--root--padding-left)"}}}} -->
-<div class="wp-block-group"
-	style="padding-bottom:var(--wp--style--root--padding-left);padding-top:var(--wp--style--root--padding-left)">
-	<!-- wp:group {"align":"full","layout":{"type":"flex","justifyContent":"space-between","flexWrap":"nowrap","verticalAlignment":"center"}} -->
-	<div class="wp-block-group alignfull">
+<!-- wp:group {"layout":{"type":"default"},"style":{"spacing":{"padding":{"bottom":"var(--wp--style--root--padding-left)","top":"var(--wp--style--root--padding-left)","right":"var(--wp--style--root--padding-left)","left":"var(--wp--style--root--padding-left)"}}}} -->
+<div class="wp-block-group" style="padding-top:var(--wp--style--root--padding-left);padding-right:var(--wp--style--root--padding-left);padding-bottom:var(--wp--style--root--padding-left);padding-left:var(--wp--style--root--padding-left)">
+	<!-- wp:group {"layout":{"type":"flex","justifyContent":"space-between","flexWrap":"nowrap","verticalAlignment":"center"}} -->
+	<div class="wp-block-group">
 
 		<!-- wp:group {"layout":{"type":"flex"}} -->
 		<div class="wp-block-group">