sousa-gecko/testing/web-platform/tests/css/css-align/abspos/align-self-static-position-005-ref.html

<!DOCTYPE html>
<link rel="stylesheet" href="/fonts/ahem.css">
<style>
.container {
  position: relative;
  border: 1px solid;
}

.abs {
  position: absolute;
  background: purple;
  opacity: 0.5;
  bottom: 0px;
}
</style>
<div class="container">
  <span style="font: 20px/1 Ahem;">hello
    <span class="abs">hello</span>
    <span style="vertical-align: top; font-size: 50px;">world</span>
  </span>
</div>