<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Bottom using millimeters with a value of negative zero, -0mm</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-09-14 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-bottom"> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props"> <link rel="match" href="reference/ref-no-vert-space-between.htm"> <meta name="flags" content=""> <meta name="assert" content="The 'bottom' property sets a negative zero length value in millimeters."> <style type="text/css"> #div1 { border-top: blue solid 5px; position: relative; } #div2 { border-top: orange solid 5px; bottom: -0mm; position: relative; } </style> </head> <body> <p>Test passes if there is <strong>no space between</strong> the blue and orange lines.</p> <div id="div1"> <div id="div2"></div> </div> </body> </html>