Index: src/wp-content/themes/twentytwenty/style.css
===================================================================
--- src/wp-content/themes/twentytwenty/style.css	(revision 47199)
+++ src/wp-content/themes/twentytwenty/style.css	(working copy)
@@ -3550,6 +3550,13 @@
 	width: calc(100% - 4rem);
 }
 
+
+@media all and (max-width: 58rem) {
+        .entry-content > :not(.alignwide):not(.alignfull):not(.alignleft):not(.alignright):not(.is-style-wide) {
+		max-width: 100%;
+	}
+}
+
 [class*="__inner-container"] > *:not(.alignwide):not(.alignfull):not(.alignleft):not(.alignright):not(.is-style-wide) {
 	max-width: 58rem;
 	width: 100%;