File: highlight-painting-001.html

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<!doctype html>
<meta charset="utf-8">
<title>CSS Pseudo-Elements Test: highlight painting</title>
<link rel="author" name="Delan Azabani" href="mailto:dazabani@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#highlight-painting">
<link rel="help" href="https://drafts.csswg.org/css-text-decor-4/#painting">
<link rel="help" href="https://www.w3.org/TR/CSS22/zindex.html#painting-order">
<link rel="match" href="highlight-painting-001-ref.html">
<meta name="assert" value="::selection overlay is painted in the correct order, including both the element’s shadows and the highlight’s shadows">
<script src="support/selections.js"></script>
<link rel="stylesheet" href="support/highlights.css">
<style>
    p {
        font-size: 7em;
        text-shadow: 0.2500em 0.2500em #C0C000;
    }
    p::selection {
        background: #C0C0C0;
        text-shadow: 0.5000em 0.5000em #3838E0;
    }
</style>
<p class="highlight_reftest">quick
<script>
    const target = document.querySelector("p");
    selectRangeWith(range => {
        range.selectNodeContents(target);
        range.setStart(target.childNodes[0], 1);
        range.setEnd(target.childNodes[0], 4);
    });
</script>