chromium/third_party/blink/web_tests/fonts/mongolian-glyphs.html

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/css">
@font-face {
    font-family: 'Mongolian White';
    src: url('../third_party/MongolianWhite/mnglwhiteotf-subset.ttf') format('truetype');
}
html {
    font-family: 'Mongolian White';
    font-size: 40px;
    writing-mode: vertical-lr;
    -webkit-writing-mode: vertical-lr;
    -webkit-text-orientation: sideways-right;
}
</style>
</head>
<body>
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</body>
</html>