<!DOCTYPE html>
<html>
<style>
#flexbox {
  background-color: lightgrey;
}
#flexbox > * {
  border: 1px solid green;
  vertical-align: top;
}
</style>
<body>
<p>
This example is from the spec. There should be four flex items. Anonymous item 3 shouldn't have
a green border because the anonymous block is the flex item.
</p>
<div id="flexbox">
    <div style="display: inline-block">block</div><div
      style="display: inline-block">float</div><div
      style="display: inline-block; border: 0">anonymous item 3</div><div
      style="display: inline-block">
        item 4<br>
        item 4<br>
        item 4
    </div>
</div>
</body>
</html>