<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Highlight API Test: </title>
<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">
<link rel="match" href="custom-highlight-painting-below-grammar-ref.html">
<meta name="assert" value="Highlight overlay is painted below all other pseudo overlays (comparing only to grammar suffices since it's the one immediately above ::highlight, assuming ::grammar-error is painted in the correct order)">
<style>
  ::highlight(example-highlight) {
    background-color: yellow;
    color: blue;
  }
  ::grammar-error {
    background-color: lime;
    color: green;
  }
</style>
<!--
  The grammar mistakes in the text below are intentional and part of this test.

  https://html.spec.whatwg.org/multipage/interaction.html#spelling-and-grammar-checking
  • contenteditable makes the text “checkable for the purposes of [spelling and grammar checking]”
  • spellcheck tries to enable spelling and grammar checking (subject to user preferences)
  • lang tries to guide the UA towards checking the text in English (but the UA may ignore this)
-->
<span contenteditable="true" spellcheck="true" lang="en">Many thing can happen.</div>
<script>
  let r = new Range();
  r.setStart(document.body, 0);
  r.setEnd(document.body, 1);
  CSS.highlights.set("example-highlight", new Highlight(r));
</script>