Ticket #56462: 56462.1.patch

wp-content/themes/twentyeleven/blocks.css

@@ -217 +217 @@
         font-weight: bold;
         padding: 6px 10px 6px 0;
         text-transform: uppercase;
+        color: inherit;
 }
 
 .wp-block-table td {

wp-content/themes/twentyeleven/editor-blocks.css

@@ -358 +358 @@
 .editor-block-list__block .wp-block-table th,
 .editor-block-list__block .wp-block-table td {
         padding: 0;
+        color: inherit;
 }
 
 .wp-block-table__cell-content {