Barnsbury: Compile RTL styles.

barnsbury/style-rtl.css

@@ -3504,3 +3504,7 @@ hr {
 .wp-block-cover-image {
 	background-color: #0D1B24;
 }
+
+.entry .entry-content .wp-block-media-text {
+	background-color: #FDF9EC;
+}