le type="text/css"><![CDATA[
			.parent
			{
				background: yellow;
				border: solid 1px gray;
				color: blue;
				font: 20px/1em ahem;
				width: 6em;
			}
			ruby {
			    ruby-position: over;
			}
		]]></style>
	</head>
	<body>
		<div>
			<p>Test passes if a pair of upper and lower block in the square box is identical.</p>
			<p>horizontal</p>
			<div class="parent">
				<div>
					<ruby><rb>a</rb><rt>&#x25CF;</rt><rb>b</rb><rt>&#x25CF;</rt><rb>c</rb><rt>&#x25CF;</rt></ruby>
					 de<br />
					<br />