<!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: multi-column element with zero height</title> <link rel="author" title="Opera Software ASA" href="http://www.opera.com/" /> <link rel="reviewer" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2013-08-24 --> <link rel="help" href="http://www.w3.org/TR/css3-multicol/#cw" title="3.1. '-moz-column-width'" /> <link rel="match" href="multicol-zero-height-001-ref.xht" /> <meta name="flags" content="" /> <style type="text/css"><![CDATA[ div#multi-column { height: 0; orphans: 1; widows: 1; width: 200px; -moz-column-count: 2; -moz-column-gap: 0; /* N == 2; W == 100px; */ } div > div { background-color: lime; float: left; height: 300px; width: 100px; } ]]></style> </head> <body> <div id="multi-column"> <div></div> </div> </body> </html>