<!DOCTYPE html>
<style>
.flexbox {
  height: 100px;
  width: 100px;
  display: flex;
  flex-direction: column;
  background-color: red;
}

.flexbox img {
  max-height: 100%;
  min-height: 0;
}
</style>
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#layout-algorithm" title="9. Flex Layout Algorithm">
<link rel="author" title="Google LLC" href="https://www.google.com/">

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="flexbox">
  <img src="support/100x100-green.png">
</div>