Index: src/wp-content/themes/twentytwenty/functions.php
===================================================================
--- src/wp-content/themes/twentytwenty/functions.php	(revision 47861)
+++ src/wp-content/themes/twentytwenty/functions.php	(working copy)
@@ -701,7 +701,7 @@
 			'accent'     => array(
 				'color'            => array( '.color-accent', '.color-accent-hover:hover', '.color-accent-hover:focus', ':root .has-accent-color', '.has-drop-cap:not(:focus):first-letter', '.wp-block-button.is-style-outline', 'a' ),
 				'border-color'     => array( 'blockquote', '.border-color-accent', '.border-color-accent-hover:hover', '.border-color-accent-hover:focus' ),
-				'background-color' => array( 'button:not(.toggle)', '.button', '.faux-button', '.wp-block-button__link', '.wp-block-file .wp-block-file__button', 'input[type="button"]', 'input[type="reset"]', 'input[type="submit"]', '.bg-accent', '.bg-accent-hover:hover', '.bg-accent-hover:focus', ':root .has-accent-background-color', '.comment-reply-link' ),
+				'background-color' => array( 'button', '.button', '.faux-button', '.wp-block-button__link', '.wp-block-file .wp-block-file__button', 'input[type="button"]', 'input[type="reset"]', 'input[type="submit"]', '.bg-accent', '.bg-accent-hover:hover', '.bg-accent-hover:focus', ':root .has-accent-background-color', '.comment-reply-link' ),
 				'fill'             => array( '.fill-children-accent', '.fill-children-accent *' ),
 			),
 			'background' => array(