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chromium/third_party/blink/web_tests/fast/media/implicit-media-all.html 

<html>
<head>
<style type="text/css">
    div { width: 100px; height: 33px; background-color: red }
    @media (color) { div#a { background-color: green } }
    @media (doofer), (color) { div#b { background-color: green } }
    @media print, (color) { div#c { background-color: green } }
</style>
</head>
<body>
    <div id="a"></div>
    <div id="b"></div>
    <div id="c"></div>
</body>
</html>