<!DOCTYPE html>
<style>
.box {
width: 400px;
height: 200px;
box-sizing: border-box;
border-bottom-right-radius: 200px;
border: 60px solid green;
background-color: yellow;
</style>
<div class="box"></div>
PASS: did not crash.
<script>
if (window.testRunner)
testRunner.dumpAsText();
</script>