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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/
+-->
+<!-- Testcase with a variety of 'display: flex' examples
+     with margin-left and/or margin-right set to 'auto'. -->
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>CSS Test: Testing horizontal auto margins on flex items in a horizontal flex container</title>
+    <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/>
+    <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#auto-margins"/>
+    <link rel="match" href="flexbox-margin-auto-horiz-001-ref.xhtml"/>
+    <style>
+      div.flexbox {
+        width: 200px;
+        height: 20px;
+        background: lightgray;
+        display: flex;
+        margin-bottom: 2px;
+      }
+      div.a {
+        width: 20px;
+        background: green;
+        margin-left: auto;
+      }
+      div.b {
+        width: 20px;
+        background: pink;
+        margin-left: auto;
+        margin-right: auto;
+      }
+      div.c {
+        width: 20px;
+        background: purple;
+        margin-right: auto;
+      }
+    </style>
+  </head>
+  <body>
+    <!-- just one item -->
+    <div class="flexbox">
+      <div class="a"/>
+    </div>
+    <div class="flexbox">
+      <div class="b"/>
+    </div>
+    <div class="flexbox">
+      <div class="c"/>
+    </div>
+
+    <!-- Two items -->
+    <div class="flexbox">
+      <div class="a"/><div class="b"/>
+    </div>
+    <div class="flexbox">
+      <div class="a"/><div class="c"/>
+    </div>
+    <div class="flexbox">
+      <div class="b"/><div class="c"/>
+    </div>
+
+    <!-- Three items -->
+    <div class="flexbox">
+      <div class="a"/><div class="b"/><div class="c"/>
+    </div>
+    <div class="flexbox">
+      <div class="a"/><div class="c"/><div class="b"/>
+    </div>
+    <div class="flexbox">
+      <div class="b"/><div class="a"/><div class="c"/>
+    </div>
+    <div class="flexbox">
+      <div class="b"/><div class="c"/><div class="a"/>
+    </div>
+    <div class="flexbox">
+      <div class="c"/><div class="a"/><div class="b"/>
+    </div>
+    <div class="flexbox">
+      <div class="c"/><div class="b"/><div class="a"/>
+    </div>
+  </body>
+</html>