Ticket #59912: 59912.patch

wp-content/themes/twentysixteen/css/editor-style.css

@@ -323 +323 @@
 table td,
 .mce-item-table td {
         border-width: 0 1px 1px 0;
-        font-size: 16px;
         padding: 7px;
         vertical-align: baseline;
 }