<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Line-height using points with a negative zero value, -0pt</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-04-04 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-line-height"> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#leading"> <link rel="match" href="reference/line-height-002-ref.htm"> <meta name="flags" content="ahem"> <meta name="assert" content="The 'line-height' property sets a negative zero length value in points."> <style type="text/css"> div { font: 20px/1 Ahem; position: relative; width: 1em; } #div2, #div3 { background: black; } #div2 { line-height: -0pt; } #div3 { height: 1em; left: 1.1em; position: absolute; top: -0.5em; } </style> </head> <body> <p>Test passes if the 2 small black squares have the <strong>same height</strong>.</p> <div id="div1"> <div id="div2">X X</div> <div id="div3"></div> </div> </body> </html>