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<?xml version="1.0" encoding="UTF-8"?>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<!-- Reference case for flex items containing overlapping content.
     This reference uses inline-block in place of inline-flex, with floated
     children in place of flex items, and with hardcoded DOM-reordering in
     place of "order" reordering. -->
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>CSS Reftest Reference</title>
    <link rel="author" title="Daniel Holbert" href="mailto:[email protected]"/>
    <style>
      body {
        line-height: 0;
      }

      .flexbox {
        display: inline-block;
        width: 20px;
        height: 10px;
        border: 2px solid gray;
        margin-bottom: 10px;
        margin-right: 10px;
      }
      .a {
        width: 10px;
        height: 10px;
        background: lightblue;
        float: left; /* to stack horizontally, like a flex item */
      }
      .b {
        width: 10px;
        height: 10px;
        background: pink;
        float: left; /* to stack horizontally, like a flex item */
      }
      .aKid {
         margin-left: 3px;
         margin-top:  3px;
         width: 10px;
         height: 10px;
         background: steelblue;
         border: 1px solid blue;
      }
      .bKid {
         margin-left: 3px;
         margin-top:  6px;
         width: 10px;
         height: 10px;
         background: violet;
         border: 1px solid purple;
      }

      /* Need to set 'position' for z-index to take effect. */
      .zn2 { z-index: -2; position: relative; }
      .zn1 { z-index: -1; position: relative; }
      .z0  { z-index:  0; position: relative; }
      .z1  { z-index:  1; position: relative; }

    </style>
  </head>
  <body>
    <!-- order not set: -->
    <div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div>

    <br/>

    <!-- order set, but it matches content order, so it shouldn't matter: -->
    <div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div
    ><div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div
    ><div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div
    ><div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div
    ><div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div
    ><div class="flexbox">
      <div class="a"><div class="aKid"/></div>
      <div class="b"><div class="bKid"/></div>
    </div>

    <br/>

    <!-- order set to reverse of content-order: -->
    <div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div>

    <br/>

    <!-- order set to reverse of content-order, AND with z-index set on
         one or both items, but not such that it changes the paint order -->
    <div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <div class="b"><div class="bKid"/></div>
      <div class="a"><div class="aKid"/></div>
    </div>

    <br/>

    <!-- order set to reverse of content-order, AND with z-index set on
         one or both items, in such a way that it affects paint order -->
    <div class="flexbox">
      <!-- 'a' is behind the container's border -->
      <div class="b"><div class="bKid"/></div>
      <div class="a zn1"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <!-- 'a' and 'b' are both behind the container's border -->
      <div class="b zn1"><div class="bKid"/></div>
      <div class="a zn1"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <!-- 'a' and 'b' are both behind the container's border,
           and 'a' is behind 'b' despite coming after it in the 'order'
           ordering-->
      <div class="b zn1"><div class="bKid"/></div>
      <div class="a zn2"><div class="aKid"/></div>
    </div
    ><div class="flexbox">
      <!-- 'a' and 'b' are both in front of the container's border,
           and 'a' is behind 'b' despite coming after it in the 'order'
           ordering-->
      <div class="b z1"><div class="bKid"/></div>
      <div class="a z0"><div class="aKid"/></div>
    </div>

  </body>
</html>