<!DOCTYPE html>
<html>
<title>CSS Flexbox: min-height: auto with nested flexboxes</title>
<link rel="author" title="Google LLC" href="https://www.google.com/" />
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#min-size-auto" />
<link rel="issue" href="https://bugs.chromium.org/p/chromium/issues/detail?id=933931" />
<link rel="match" href="../reference/ref-filled-green-100px-square.xht" />

<style>
.outer {
  display: flex;
  flex-direction: column;
  height: 20px;
  width: 100px;
  background: red;
}

.middle {
  display: flex;
  flex-direction: column;
  background: green;
}

.inner {
  display: flex;
  flex-direction: column;
}

.tall {
  width: 50px;
  height: 100px;
}
</style>
<body>

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

<div class="outer">
  <div class="middle">
    <div class="inner">
      <div class="tall"></div>
    </div>
  </div>
</div>


</body>
</html>