diff --git a/src/wp-content/themes/twentytwenty/style-rtl.css b/src/wp-content/themes/twentytwenty/style-rtl.css
index 2fc1a9bfbc..ca6396ea35 100644
--- a/src/wp-content/themes/twentytwenty/style-rtl.css
+++ b/src/wp-content/themes/twentytwenty/style-rtl.css
@@ -565,6 +565,12 @@ blockquote p:last-child {
 	margin: 0;
 }
 
+/* Calendar -------------------------------------- */
+
+.wp-block-calendar[class*="-font-size"] table,
+.wp-block-calendar[style*="font-size"] table {
+	font-size:inherit;
+}
 
 /* Code -------------------------------------- */
 
diff --git a/src/wp-content/themes/twentytwenty/style.css b/src/wp-content/themes/twentytwenty/style.css
index 1a802509a4..465aa8cfd1 100644
--- a/src/wp-content/themes/twentytwenty/style.css
+++ b/src/wp-content/themes/twentytwenty/style.css
@@ -569,6 +569,12 @@ blockquote p:last-child {
 	margin: 0;
 }
 
+/* Calendar -------------------------------------- */
+
+.wp-block-calendar[class*="-font-size"] table,
+.wp-block-calendar[style*="font-size"] table {
+	font-size:inherit;
+}
 
 /* Code -------------------------------------- */