<!DOCTYPE html>
<style>
    div { width: 0px; height: 0px }
    #reflectionOffset    { -webkit-box-reflect: right calc(50%) }
    #reflectionMask      { -webkit-box-reflect: below calc(5px) -webkit-gradient(linear, 0 0, 0 0) 25 25 25 25 stretch stretch; }
</style>
<body>
    <p>Test calling getPropertyValue on computed styles for -webkit-border-image property.</p>
    <pre id="console"></pre>

    <div id="reflectionOffset"></div>
    <div id="reflectionMask"></div>
</body>
<script>
    function log(msg)
  