color-blue" class="highlight_reftest">example - color-currentcolor-backgroundcolor-blue</div>
<div id="color-blue-backgroundcolor-currentcolor" class="highlight_reftest">example - color-blue-backgroundcolor-currentcolor</div>

<script>
  function range(node, start, end) {
    let range = new Range();
    range.setStart(node, start);
    range.setEnd(node, end);
    return range;
  }

  const divs = document.getElementsByTagName("div");
  for (let div of divs) {
    CSS.highlights.set(div.id, new Highlight(r