Improve zebra stripe rendering on docs

Author: aaronshekey

docs/product/components/tables.html

@@ -246,7 +246,7 @@
 </table>
 {% endhighlight %}
         <div class="stacks-preview--example overflow-x-auto">
-            <table class="s-table s-table__stripes">
+            <table class="s-table s-table__stripes d:bg-white">
                 <thead>
                     <tr>
                         <th scope="col"></th>