<!DOCTYPE html>
<title>Resizable iframe paint order</title>
<link rel="help" href="https://www.w3.org/TR/CSS2/zindex.html">
<link rel="match" href="resizable-iframe-paint-order-ref.html">
<!-- Ignore the resizer which may be visible or invisible depending on
     in which paint phase the browser paint the resizer. -->
<meta name="fuzzy" content="0-255;0-200">
<style>
  iframe {
    display: block;
    background: red;
    width: 100px;
    height: 100px;
    padding: 30px;
    border: none;
    resize: both;
    box-sizing: border-box;
  }
  #negative-margin {
    width: 100px;
    height: 100px;
    background: green;
    margin-top: -100px;
  }
</style>
<iframe srcdoc="<style>html { background: lime; }</style>"></iframe>
<!-- #negative-margin should paint on top of the background of the iframe
    (but not the contents). -->
<div id="negative-margin"></div>
