<!DOCTYPE html>
<html>
<style>
.container {
font: 20px/1 Ahem, sans-serif;
width: 500px;
height: 200px;
border: 1px solid black;
}
.rounded-rect {
width: 320px;
height: 160px;
border: 1px solid blue;
border-top-left-radius: 60px 40px;
-webkit-shape-outside: inset(0px 0px 0px 0px round 60px 0 0 0 / 40px);
}
</style>
<script src="../../../resources/ahem.js"></script>
<body>
<div class="container" style="text-align: right">
X<br/>
<div style="float: right" class="rounded-rect"></div>
X<br/>
X<br/>
X<br/>
X<br/>
X<br/>
X<br/>
X<br/>
X
</div>
<p>Requires Ahem font. There is a 0px size inset applied on the right float with 60px/40px top left radius.<br>
The black squares should trace the left side of the rounded rectangle's blue outline.</p>
<p>Issue <a href="https://code.google.com/p/chromium/issues/detail?id=338523">338523</a>: [CSS Shapes] Support inset for shape-outside</p>
</body>