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+<!DOCTYPE html>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<!-- Testcase for how we compute the baseline of a vertical flex container
+     with several flex lines.
+     The spec says this about this case:
+      [Given that the first line has no baseline-aligned items:]
+       ...if the flex container has at least one flex item, and its
+       first flex item has a baseline parallel to the flex
+       container's main axis, the flex container's main-axis
+       baseline is that baseline.
+-->
+<html>
+<head>
+  <title>CSS Test: Testing the baseline of a vertical flex container with multiple flex lines</title>
+  <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
+  <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#flex-baselines">
+  <link rel="match" href="flexbox-baseline-multi-line-vert-001-ref.html">
+  <meta charset="utf-8">
+  <style>
+    .flexContainer {
+      display: inline-flex;
+      flex-direction: column;
+      flex-wrap: wrap;
+      width: 40px;
+      height: 40px;
+      background: lightblue;
+    }
+    .flexContainer > * {
+      height: 20px;
+    }
+
+    /* We'll make the second flex line not paint anything, so that the
+       reference case doesn't need to bother matching it. */
+    .flexContainer > *:nth-child(3),
+    .flexContainer > *:nth-child(4) {
+      visibility: hidden;
+    }
+
+    .smallFont {
+      font-size: 8px;
+      line-height: 8px;
+    }
+    .medFont {
+      font-size: 12px;
+      line-height: 12px;
+    }
+    .bigFont {
+      font-size: 16px;
+      line-height: 16px;
+    }
+  </style>
+</head>
+<body>
+  a
+  <!-- Flex containers with flex items that have a mix of baselines: -->
+  <div class="flexContainer">
+    <div class="medFont">b</div
+    ><div class="bigFont">c</div
+    ><div class="bigFont">d</div
+    ><div class="medFont">e</div>
+  </div>
+
+  <div class="flexContainer">
+    <div class="bigFont">f</div
+    ><div class="smallFont">g</div
+    ><div class="medFont">h</div
+    ><div class="bigFont">i</div>
+  </div>
+
+  <!-- Flex container with second line baseline-aligned
+       (shouldn't make a difference) -->
+  <div class="flexContainer">
+    <div class="smallFont">j</div
+    ><div class="bigFont">k</div
+    ><div class="bigFont" style="align-self: baseline">l</div
+    ><div class="medFont" style="align-self: baseline">m</div>
+  </div>
+  n
+
+</body>
+</html>