<!DOCTYPE HTML>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
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<html>
<head>
<meta charset="utf-8">
<title>CSS Grid Test: Subgrid contribution size to flexible tracks</title>
<link rel="author" title="Ethan Jimenez" href="mailto:ethavar@microsoft.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-2/#subgrid-size-contribution">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<style>
.grid {
  background: red;
  display: inline-grid;
  grid-template: repeat(4, minmax(0, 1fr)) / repeat(10, minmax(0, 1fr));
}
.subgrid {
  width: 50px;
  height: 50px;
  background: green;
  display: grid;
  grid-row: 1 / -1;
  grid-column: 1 / -1;
  grid-template: subgrid / subgrid;
}
.item {
  width: 10px;
  height: 25px;
}
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="grid">
  <div class="subgrid">
    <div class="item"></div>
  </div>
</div>
</body>
</html>
