Ticket #62819: 62819.patch

wp-content/themes/twentyfourteen/css/blocks.css

@@ -357 +357 @@
         font-size: 16px;
 }
 
+:root :where(ol.wp-block-latest-comments[class*="has-"][class$="-font-size"]) .wp-block-latest-comments__comment,
+:root :where(ol.wp-block-latest-comments[class*="has-"][class$="-font-size"]) .wp-block-latest-comments__comment-excerpt,
+:root :where(ol.wp-block-latest-comments[class*="has-"][class$="-font-size"]) .wp-block-latest-comments__comment-excerpt p{
+    font-size:inherit;
+}
+
 .wp-block-latest-comments__comment-meta a {
         color: #2b2b2b;
         font-weight: 900;