<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." />

.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;

<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>