chromium/third_party/blink/web_tests/external/wpt/css/css-tables/background-clip-001.html

<!doctype html>
<title>Collapsed borders and background-clip</title>
<link rel="author" title="David Grogan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-tables-3/#in-collapsed-borders-mode">
<link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#the-background-clip">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<link rel="bookmark" href="https://crbug.com/1008400" />
<meta name="assert" content="background-clip on a cell with collapsed borders is calculated correctly" />

<style>
table {
  border-collapse: collapse;
  /* The properties after the blank line are not the behavior under test. */

  background: red;
}

td {
  background-clip: content-box;
  border: 30px solid green;

  background-color: green;
  padding: 0px;
  line-height: 0px;
}

.cell-content {
  display: inline-block;

  height: 40px;
  width: 40px;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<table>
  <tr>
    <td>
      <span class="cell-content"></span>
    </td>
  </tr>
</table>