<!DOCTYPE html>
<title>Flex gaps</title>
<link rel="author" title="David Grogan" href="mailto:dgrogan@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#algo-line-break">
<link rel="help" href="https://drafts.csswg.org/css-align/#gaps">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="Gaps are respected when gathering items into lines for column flexboxes." />

<style>
.item {
  width: 50px;
  height: 100px;
  flex: 0 0 auto;
  background: green;
}
#reference-overlapped-red {
  position: absolute;
  background-color: red;
  width: 100px;
  height: 100px;
  z-index: -1;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<div id=reference-overlapped-red></div>

<div style="display: flex; height: 200px; width: 100px; row-gap: 50px; flex-flow: column wrap;">
  <div class=item></div>
  <div class=item></div>
</div>