Board Thread:Support Requests - Designing Your Wiki/@comment-27136165-20171205050252/@comment-23771723-20171217051131

I'd recommend trying this: {| class="article-table" style="width:100%; margin-left: -12px;"
 * bgcolor="#000000" |

The cell padding on the left is going to push the second table over. So the negative margin-left value might balance it.