<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Flexbox Test: Indefinite % flex-basis should cause height to be ignored</title>
<link rel="author" title="Google LLC" href="https://www.google.com">
<link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-basis-property">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
  #container {
    background-color: red;
    display: flex;
    width: 100px;
    flex-direction: column;
  }
  #item {
    flex: 0 0 0%;
    height: 500px;
    background-color: red;
  }
  #child {
    height: 100px;
    background-color: green;
  }
</style>
<body>
  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
  <div id="container">
    <div id="item">
      <div id="child"></div>
    </div>
  </div>
</body>