wpt/css/css-pseudo/highlight-styling-001.html at master · web-platform-tests/wpt · GitHub

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<!doctype html>

<meta charset="utf-8">

<title>CSS Pseudo-Elements Test: highlight styling: custom properties are applicable properties in highlight pseudos</title>

<link rel="author" title="Delan Azabani" href="mailto:[email protected]">

<link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#highlight-styling">

<link rel="match" href="highlight-styling-001-ref.html">

<meta name="assert" value="This test verifies that ::selection styles can set custom properties and they over-ride the originating element.">

<script src="support/selections.js"></script>

<link rel="stylesheet" href="support/highlights.css">

<style>

main {

--x: red;

font-size: 7em;

margin: 0.5em;

}

main::selection {

--x: green;

color: white;

background-color: var(--x, blue);

}

</style>

<p>Test passes if the text below is white on green.

<main class="highlight_reftest">quick</main>

<script>selectNodeContents(document.querySelector("main"));</script>