<!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/#main-alignment">
<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="There are gaps between 0-main-size items" />

<style>
.item {
  height: 10px;
  flex: 0 0 auto;
}
#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; width: 100px; row-gap: 40px; background: green; flex-direction: column;">
  <div class=item></div>
  <div class=item style="height: 0px"></div>
  <div class=item></div>
</div>