css/css-grid/abspos/positioned-grid-items-negative-indices-003.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Absolutely positioned items with negative indices</title>
<link rel="help" href="https://drafts.csswg.org/css-grid-2/#abspos">
<link rel="match" href="positioned-grid-items-negative-indices-003-ref.html">
<meta name="assert" content="Checks that absolutely positioned items are properly placed and sized when they have negative indices in an undefined sized grid.">
<style>
  #grid {
    display: grid;
    margin: 4px;
    padding: 10px;
    width: 500px;
    height: 130px;
    position: relative;
  }

  #absolute {
    position: absolute;
    width: 100%;
    height: 100%;
    grid-column: -3 / span 6;
    grid-row: 1 / 2;
    background-color: lightblue;
  }

  #item {
    grid-column: -5 / span 8;
    background-color: hotpink;
  }

</style>

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