<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Shapes Module Level 1: getComputedStyle().shapeMargin</title>
<link rel="help" href="https://drafts.csswg.org/css-shapes/#shape-margin-property">
<meta name="assert" content="shape-margin computed value is non-negative <length-percentage>.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
</head>
<body>
<style>
  #target {
    font-size: 40px;
  }
</style>
<div id="target"></div>
<script>
test_computed_value("shape-margin", "calc(10px + 0.5em)", "30px");
test_computed_value("shape-margin", "calc(10px - 0.5em)", "0px");
test_computed_value("shape-margin", "50%");
</script>
</body>
</html>