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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 for behavior of the 'baseline' value for align-items (and
+     align-self, implicitly), in a multi-line flex container.
+     This test baseline-aligns variously-sized flex items, and the container's
+     vertical size depends on the aggregate post-alignment height of its items.
+  -->
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>CSS Test: Baseline alignment of block flex items with 'baseline' value for 'align-items' / 'align-self' in a multi-line 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/#baseline-participation"/>
+    <link rel="match" href="flexbox-align-self-baseline-horiz-004-ref.xhtml"/>
+    <style>
+      .flexbox {
+        display: flex;
+        flex-wrap: wrap;
+        align-items: baseline;
+        width: 90px;
+      }
+
+      .flexbox > * {
+        width: 28px; /* 3 items per Flex Line */
+        background: yellow;
+        border: 1px solid black;
+      }
+
+      .big    { font: 24px sans-serif; }
+      .medium { font: 14px sans-serif; }
+      .small  { font: 8px sans-serif;  }
+
+   </style>
+  </head>
+  <body>
+    <div class="flexbox">
+      <!-- First flex line: Just 3 different sizes of text -->
+      <div class="big">a</div>
+      <div class="small">b</div>
+      <div class="medium">c</div>
+
+      <!-- Second flex line: different margin/padding amounts on each item,
+           and one non-baseline-aligned item.-->
+      <div class="medium" style="padding-top: 10px">d</div>
+      <div class="medium" style="margin-bottom: 8px">e</div>
+      <div class="medium" style="align-self: stretch">f</div>
+
+      <!-- Third flex line: other margin/padding amounts on each item -->
+      <div class="small" style="margin-top: 20px">g</div>
+      <div class="big">h</div>
+      <div class="medium" style="padding-bottom: 6px">i</div>
+    </div>
+  </body>
+</html>