b.com/web-platform-tests/wpt/pull/8788

  Credit should go to Chris Nardi for trying to fix
  16 border-image tests with 2 relevant commits

  -->

  <style>
  div#red-overlapped-ref
    {
      background-color: red;
      padding: 24px;
      height: 52px;
      width: 52px;
      /* border-box is therefore 100px by 100px */
    }

  div#green-overlapping-test
    {
      background-color: green;
      border: red solid 1px;
      height: 50px;
      width: 50px; /* border-box is 52px by 52px */

      bo