css/CSS2/positioning/abspos-width-change-inline-container-001.html

<!DOCTYPE html>
<title>CSS Test: Absolutely positioned object in an inline container repsonding to the block width change</title>
<link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#comp-abspos">
<link rel="match" href="abspos-width-change-inline-container-001-ref.html">
<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
<style>
#container {
  text-align: center;
  width: 200px;
}
#relpos {
  position: relative;
  background: red;
}
#abspos {
  position: absolute;
  left: 0;
  top: 0;
  width: 50px;
  height: 50px;
  background: green;
}
</style>
<body>
  <div id="container">
    <span id="relpos">x
      <span id="abspos"></span>
    </span>
  </div>
<script>
run();
function run() {
  document.body.offsetTop;
  container.style.width = '100px';
}
</script>
</body>