o 2px;
}
.skip-contents {
  content-visibility: hidden;
}
.size-100-50 {
  inline-size: 100px;
  block-size: 50px;
}
.size-75-25 {
  inline-size: 75px;
  block-size: 25px;
}
.vertical {
  writing-mode: vertical-lr;
}
</style>

<div id="log"></div>

<div id="parent">
  <div id="target">
    <div id="contents"></div>
  </div>
</div>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
const parent = document.getElementById("parent");
const target 