Ticket #60293: 60293.patch

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

@@ -227 +227 @@
 
 .wp-block-table th,
 .wp-block-table td {
-        border-color: rgba(0, 0, 0, 0.1);
+        
         border-width: 0 1px 1px 0;
 }
 

wp-content/themes/twentyfourteen/style.css

@@ -422 +422 @@
 table,
 th,
 td {
-        border: 1px solid rgba(0, 0, 0, 0.1);
+        border: 1px solid;
 }
 
 table {