<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>multicolumn | column-rule</title>
<link rel="author" title="Opera Software ASA" href="http://www.opera.com/"/>
<style type="text/css"><![CDATA[
body {
	margin: 0;
}
body>div {
	font-family: Ahem;
	font-size: 1em;
	line-height: 1em;
	color: black;
	background: yellow;
	margin: 1em;
	border: 1em solid gray;
	width: 14em;
	height: 2em;
	position: relative;
}
div div {
	width: 2em;
	height: 2em;
	background: black;
	position: absolute;
	left: 0;
	top: 0;
}
.a {
	background: blue;
	width: 1em;
}
#a1 {left: 2.4em;}
#a2 {left: 3.75em;}
#a3 {left: 6.15em;}
#a4 {left: 7.5em;}
#a5 {left: 9.9em;}
#a6 {left: 11.25em;}
]]></style>
</head>

<body>

<div>
	<div></div>
	<div id="a1" class="a"></div>
	<div id="a2"></div>
	<div id="a3" class="a"></div>
	<div id="a4"></div>
	<div id="a5" class="a"></div>
	<div id="a6"></div>
</div>

</body>
</html>