LayoutTests/fast/dynamic/static-pos-compute-when-float-is-present-fail.html

<style>
#main {
  position: relative;
}

.container {
  position: relative;
  clear: both;
}

.content {
  float: left;
  width: 50px;
  height: 50px;
  background-color: blue;
}

#content {
  float: left;
  padding-top: 20px;
  height: 10%;
  width: 50px;
  background-color: green;
}
</style>
<div id=main>
  <div class=content></div>
  <div class=container>
    <div id=content></div>
  </div>
</div>
<pre>PASS if green box is right under the blue box.</pre>
<script>
document.body.offsetHeight;

let foobar = document.createElement("div");
foobar.style.position = "absolute";
main.appendChild(foobar);
</script>