<!DOCTYPE html>
<script src="resources/srcset-helper.js"></script>
<style>
#target {
background-color: lime;
width: 21px;
height: 13px;
position: absolute;
left: 0px;
top: 0px;
transform-origin: 0px 0px;
offset-path: path('m 0 0 v 8 h 15 z'); /* length 40 */
offset-distance: calc(30px + 75%); /* 60px -> 20px */
}
</style>
<body>
<!-- This test passes if the target moves 8px down and 12px across -->
<div id="target"></div>
</body>