<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Left using 'ex' units with a nominal value, 6ex</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-09-18 --> <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="reference/ref-black-96px-square-no-red.htm"> <meta name="flags" content="ahem"> <meta name="assert" content="The 'left' property sets a nominal length value in 'ex' units."> <style type="text/css"> div { font: 20px/1 Ahem; height: 1in; position: relative; width: 1in; } #div1 { border-left: 1in solid red; } div div { border-left: 6ex solid black; margin-left: -12ex; left: 6ex; } </style> </head> <body> <p>Test passes if there is <strong>no red</strong>.</p> <div id="div1"> <div></div> </div> </body> </html>