Ticket #6626: #6626.patch

wordpress.org/public_html/wp-content/themes/pub/wporg-main/css/objects/_site-header.scss

@@ -18 +18 @@
                         @include breakpoint( $ms-breakpoint ) {
                                 font-size: ms( 12 );
                         }
+                        
+                        @media screen and (max-width: 375px ) {
+                                font-size: 2.814697rem;
+                        }
                 }
 
                 .site-description {