css/css-flexbox/flexbox-items-as-stacking-contexts-003-ref.html

<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
  <title>CSS Reftest Reference</title>
  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
  <style>
    .flexContainer {
      background: orange;
      width: 70px;
      height: 20px;
      padding: 2px;
      margin-bottom: 2px;
    }
    .item1 {
      display: inline-block;
      background: lightblue;
      width: 30px;
      height: 16px;
      padding: 2px;
      margin-right: 2px;
      vertical-align: top;
    }
    .item2 {
      display: inline-block;
      background: yellow;
      width: 30px;
      height: 16px;
      padding: 2px;
      vertical-align: top;
    }
    .grandchildA {
      background: purple;
      width: 80px;
      height: 6px;
      position: relative;
      z-index: 10;
    }
    .grandchildB {
      background: teal;
      width: 80px;
      height: 6px;
      position: relative;
      z-index: 20;
    }
    .grandchildC {
      background: lime;
      width: 20px;
      height: 16px;
      position: relative;
      /* This z-index should interleave this content
         between grandchildA and grandchildB: */
      z-index: 15;
    }
  </style>
</head>
<body>
  <div class="flexContainer"
    ><div class="item1"
      ><div class="grandchildA"></div
      ><div class="grandchildB"></div
    ></div
    ><div class="item2"
      ><div class="grandchildC"></div
    ></div
  ></div>
</body>
</html>