<!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 Test: Left using 'em' units with a value of negative zero, -0em</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="reviewer" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-17 -->
<link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-left" />
<link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props" />
<link rel="match" href="left-004-ref.xht" />
<meta name="flags" content="ahem" />
<meta name="assert" content="The 'left' property sets a negative zero length value in 'em' units." />
<style type="text/css">
div
{
height: 1in;
position: relative;
}
#div1
{
border-left: 5px solid orange;
}
div div
{
border-left: 5px solid blue;
left: -0em;
}
</style>
</head>
<body>
<p>Test passes if there is <strong>no space between</strong> the orange and blue lines.</p>
<div id="div1">
<div></div>
</div>
</body>
</html>