display-contents-before-after-001.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Display: Generated ::before and ::after on display:contents</title>
<link rel="author" title="Rune Lillesveen" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-display-3/#valdef-display-contents">
<link rel="match" href="display-contents-pass-ref.html">
<style>
    /* Disable kerning because kerning may differ for different node tree. */
    html { font-kerning: none; font-feature-settings: "kern" off; }
    div { display: contents }
    .p::before { content: "P" }
    .a::before { content: "A" }
    .s::after { content: "S" }
</style>
<p>You should see the word PASS below.</p>
<div><!--
 --><div><div class="p"></div></div><!--
 --><div></div><!--
 --><div class="a"></div><!--
 --><div>S<div class="s"></div></div>
</div>

chromium/third_party/blink/web_tests/external/wpt/css/css-display/display-contents-before-after-001.html