stcommon.js"></script>
<style>
    #target {
      font-size: 40px;
    }
</style>
</head>
<body>
<div id="target"></div>
<script>
    test_computed_value("block-step-size", "0px");
    test_computed_value("block-step-size", "none");
    test_computed_value("block-step-size", "100px");
    test_computed_value("block-step-size", "2em", "80px");
    test_computed_value("block-step-size", "calc(10px + 0.5em)", "30px");
    test_computed_value("block-step-size", "calc(10px - 0.5em)", "0px");
</script>
</body>
<