<!doctype html> <meta charset="utf-8"> <title>CSS Pseudo-Elements Test: highlight styling: originating custom property values do not affect highlight pseudos</title> <link rel="author" title="Delan Azabani" href="mailto:dazabani@igalia.com"> <link rel="help" href="https://drafts.csswg.org/css-pseudo-4/#highlight-styling"> <link rel="match" href="highlight-styling-002-ref.html"> <meta name="assert" value="This test verifies that custom property values set in originating elements do not participate in the substitution of those properties in ::selection styles."> <script src="support/selections.js"></script> <link rel="stylesheet" href="support/highlights.css"> <style> main { font-size: 7em; margin: 0.5em; --x: red; } main::selection { color: white; background-color: var(--x, green); } </style> <p>Test passes if the text below is white on green. <main class="highlight_reftest">quick</main> <script>selectNodeContents(document.querySelector("main"));</script>