Ticket #63349: 63349.patch

src/wp-content/themes/twentyfifteen/style.css

@@ -2438 +2438 @@
         text-transform: none;
 }
 
+/**
+* Calendar block css for front end
+*/
+.wp-block-calendar table th, .wp-block-calendar table td{
+        text-align:center
+}
+
 /**
  * 13.0 Footer
  */