gecko-dev/layout/reftests/flexbox/flexbox-position-fixed-1.xhtml

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<?xml version="1.0" encoding="UTF-8"?>
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!--
Testcase with fixed-position children of a flex container.
The positioning is with respect to the containing block's left edge.
-->
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style>
div.containingBlock {
top: 15px;
left: 20px;
height: 400px;
position: absolute;
border: 2px dashed purple;
}
.fixedpos {
position: fixed;
left: 5px;
border: 2px dotted black;
}
div.flexbox {
width: 200px;
height: 100px;
display: flex;
}
div.a {
flex: 1 0 auto;
width: 30px;
height: 100px;
background: lightgreen;
}
div.b {
flex: 2 0 auto;
width: 20px;
height: 100px;
background: yellow;
}
div.inflex {
flex: none;
width: 20px;
height: 100px;
background: gray;
}
div.noFlexFn {
width: 15px;
height: 15px;
background: teal;
}
</style>
</head>
<body>
<div class="containingBlock">
<!-- First child fixedpos: -->
<div class="flexbox"><div class="a fixedpos"/><div class="b"/></div>
<!-- Second child fixedpos: -->
<div class="flexbox"><div class="a"/><div class="b fixedpos"/></div>
<!-- Middle child fixedpos: -->
<div class="flexbox"
><div class="a"/><div class="inflex fixedpos"/><div class="b"/></div>
<!-- Third child fixedpos, w/ inflexible items & justify-content: space-around: -->
<div class="flexbox" style="justify-content: space-around"
><div class="inflex"/><div class="inflex"/><div class="inflex"
/><div class="noFlexFn fixedpos"/><div class="inflex"/></div>
</div>
</body>
</html>