chromium/third_party/blink/web_tests/external/wpt/css/css-grid/abspos/positioned-grid-items-negative-indices-003-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Absolutely positioned items with negative indices</title>
<style>
  #grid {
    display: grid;
    margin: 4px;
    padding: 10px;
    width: 500px;
    height: 130px;
    position: relative;
  }

  #firstItem {
    grid-column: 1 / span 2;
    background-color: hotpink;
  }

  #secondItem {
    grid-column: 3 / span 6;
    background-color: lightblue;
  }

</style>

<p>The test passes if there are two tracks in hotpink and 6 in light blue.</p>
<div id="grid">
  <div id="firstItem"></div>
  <div id="secondItem"></div>
</div>