chromium/third_party/blink/web_tests/external/wpt/css/css-grid/abspos/positioned-grid-items-024.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Positioned grid items</title>
<link rel="help" href="https://drafts.csswg.org/css-grid-2/#abspos">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="Checks that absolutely positioned items are properly placed and sized.">
<style>
  #grid {
    display: grid;
    grid-template-columns: 50px 50px;
    grid-template-rows: 50px 50px;
    width: 100px;
    height: 100px;
    background-color: red;
    position: relative;
  }

  #grid > div {
    background-color: green;
  }

  #abspos {
    position: absolute;
    margin-top: auto;
    margin-left: auto;
    width: 50%;
    height: 50%;
  }
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<div id="grid">
  <div style="grid-column: 2 / 3; grid-row: 1 / 2;"></div>
  <div style="grid-column: 1 / 2; grid-row: 2 / 3;"></div>
  <div style="grid-column: 2 / 3; grid-row: 2 / 3;"></div>
  <div id="abspos"></div>
</div>