<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>CSS Test reference</title>
<style>
@font-face {
  font-family: Libertine;
  src: url(support/fonts/LinLibertine_Re-4.7.5.woff);
}
body {
  font-family: sans-serif;
}
div {
  margin: 1em;
  font: 32px Libertine;
}
.ref {
  font-feature-settings: "liga" 1;
}
</style>
</head>
<body>
<p>Test passes if the "fi" below DOES form a ligature:
<div class=ref>fi</div>
</body>
</html>