<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-align-3/#align-abspos">
<style>
body {
margin: 0;
}
.container {
writing-mode: horizontal-tb;
display: inline-block;
position: relative;
margin: 20px;
border: solid 4px;
width: 40px;
height: 40px;
}
.item {
writing-mode: horizontal-tb;
position: absolute;
background: green;
inset: 5px;
align-self: stretch;
display: table;
}
.item::before {
content: '';
display: block;
width: 10px;
height: 20px;
}
.big::before {
width: 50px;
height: 60px;
}
.vrl {
writing-mode: vertical-rl;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.item')">
<body>
<div class="container">
<div class="item" data-expected-width="10" data-expected-height="30"></div>
</div>
<div class="container">
<div class="item big" data-expected-width="50" data-expected-height="60"></div>
</div>
<div class="container">
<div class="item vrl" data-expected-width="10" data-expected-height="30"></div>
</div>
<div class="container">
<div class="item big vrl" data-expected-width="50" data-expected-height="60"></div>
</div>
<br>
<div class="container vrl">
<div class="item" data-expected-width="30" data-expected-height="20"></div>
</div>
<div class="container vrl">
<div class="item big" data-expected-width="50" data-expected-height="60"></div>
</div>
<div class="container vrl">
<div class="item vrl" data-expected-width="30" data-expected-height="20"></div>
</div>
<div class="container vrl">
<div class="item big vrl" data-expected-width="50" data-expected-height="60"></div>
</div>