supports-rule-ref.html

Enable keyboard shortcuts

<!DOCTYPE html>

<title>@supports with nesting</title>

<link rel="author" title="Matthieu Dubet" href="mailto:m_dubet@apple.com">

<link rel="help" href="https://drafts.csswg.org/css-nesting-1/">

<style>

  .test {

    background-color: green;

    width: 100px;

    height: 100px;

    display: grid;

  body * + * {

    margin-top: 8px;

</style>

<body>

  <p>Tests pass if <strong>block is green</strong></p>

  <div class="test"></div>

  <div class="test"></div>

  <div class="test"></div>

  <div class="test"></div>

</body>