<!DOCTYPE html>
<html>
<title>CSS Flexbox: flex-direction: column in fixed-positioned flexboxes.</title>
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-direction-property">
<link rel="help" href="https://drafts.csswg.org/css-position/#position-property">
<link rel="match" href="reference/position-fixed-001-ref.html">
<link rel="help" href="https://crbug.com/604346"/>
<meta name="assert" content="This test ensures that widths are always definite for inner flexboxes that are nested inside fixed-positioned flexboxes using 'flex-direction: column'."/>
<style>
.fixed-pos{
position: fixed;
background: red;
}
.inner {
width: 100%;
background: green;
}
.flexbox {
display: flex;
}
.column {
flex-direction: column;
}
</style>
<body>
<p>You should see no red.</p>
<div class="fixed-pos" >
<div class="flexbox column">
<div class="flexbox">
<div class="inner">
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
</div>
</div>
<div class="flexbox">
<div class="inner">
YYYY
</div>
</div>
</div>
</div>
</body>
</html>