<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Test: Left with a value of zero and no units, 0</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2012-09-17 --> <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="reference/left-004-ref.htm"> <meta name="flags" content=""> <meta name="assert" content="The 'left' property sets a zero length value with no units."> <style type="text/css"> div { height: 1in; position: relative; } #div1 { border-left: 5px solid orange; } div div { border-left: 5px solid blue; left: 0; } </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>