<!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>CSS Multi-column Layout Test: multicolumn and inheritance</title>
  <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" />
  <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-08 -->
  <link rel="help" href="http://www.w3.org/TR/css3-multicol/#the-number-and-width-of-columns" />
  <link rel="match" href="multicol-inherit-001-ref.xht" />
  <meta name="flags" content="ahem" />
  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
  <style type="text/css"><![CDATA[
  body
  {
  font: 1.25em/1 Ahem;
  width: 34em;
  }

  body > div
  {
  column-count: 3;
  column-gap: 1em;

  /*
  N == 3;

    34em : available width
  -  2em : horizontal margin of external div
  -  2em : 2 column gaps
 ==========
    30em

  So, W == 10em;

    30em
  -  6em : 3 mult by 2em: horizontal margin of 3 internal divs
 ==========
    24em : 8em for each of the 3 column boxes without their horizontal margins

  */
  }

  div
  {
  background-color: yellow;
  color: black;
  margin: 0 1em 1em;
  orphans: 1;
  widows: 1;
  }
  ]]></style>
 </head>
 <body>

  <div>
	<div>
		aa aa
		aa aa
		aa aa
		aa aa
	</div>
	<div>
		mm mm
		mm mm
		mm mm
		mm mm
	</div>
	<div>
		xx xx
		xx xx
		xx xx
		xx xx
	</div>
  </div>

 </body>
</html>