outside-property">
        <link rel="help" href="http://www.w3.org/TR/css3-values/#calc-notation">
        <meta name="assert" content="A polygon's arguments may be in calc() values.">
        <meta name="flags" content="ahem dom">
        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="support/parsing-utils.js"></script>
    </he