diff --git src/wp-content/themes/twentytwenty/style.css src/wp-content/themes/twentytwenty/style.css
index db208bc33f..a13c62e829 100644
--- src/wp-content/themes/twentytwenty/style.css
+++ src/wp-content/themes/twentytwenty/style.css
@@ -2969,6 +2969,17 @@ h2.entry-title {
 	width: 100%;
 }
 
+.wp-block-audio.aligncenter {
+  text-align: center;
+}
+
+.wp-block-audio.alignleft audio,
+.wp-block-audio.alignright audio {
+  width: auto;
+  min-width: 100%;
+  max-width: 100%;
+}
+
 /* Block: Button ----------------------------- */
 
 .wp-block-button {
