Ticket #52408: 52408.2.patch

src/wp-admin/css/forms.css

@@ -704 +704 @@
 }
 
 /* Colors for the tags autocomplete. */
-.wp-tags-autocomplete .ui-state-focus {
+.wp-tags-autocomplete .ui-state-focus,
+.wp-tags-autocomplete [aria-selected="true"] {
         background-color: #2271b1;
         color: #fff;
+        /* Only visible in Windows High Contrast mode */
+        outline: 2px solid transparent;
 }
 
 /*------------------------------------------------------------------------------