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Test Info:

<!doctype html>
<title>CSS Conditional Test: @supports at-rule() with escaped keyword</title>
<link rel="match" href="at-supports-001-ref.html">
<style>
div {
background-color:red;
height:100px;
width:100px;
}
/* \73 is an escaped form of "s", resulting in the at-rule keyword "@supports" */
@supports at-rule(@support\73) {
div { background: green };
}
</style>
<p>Test passes if there is a <strong>filled green square</strong> and <strong>no red</strong>.</p>
<div></div>