<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>CSS Reftest Reference</title> <link rel="author" title="Opera Software ASA" href="http://www.opera.com/"> <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> <!-- 2013-08-16 --> <meta name="flags" content=""> <style type="text/css"> body {margin: 8px;} div { background-color: blue; height: 200px; width: 680px; } h1 { color: white; font-size: 2em; line-height: 1.25; /* or 1.21875 to achieve a 39px tall line box */ margin-top: 8px; /* The margin-top of body and h1 will collapse into an 8px gap */ margin-bottom: 21px; padding-top: 21px; } span#pass { color: blue; font-size: 1.5em; font-weight: bolder; left: 698px; /* Expected result: 8px 688px v v ************************************************ * * * <h1>Test passes if the word "PASS!" is<br />* 1st line box * on the right ↘</h1> * 2nd line box * * ************************************************ * * * <h2>nbsp;<h2> <h2>nbsp;<h2> <h2>nbsp;<h2> * <h2>PASS!</h2> * * ************************************************ ^ ^ 228px 458px */ line-height: 1; position: absolute; top: 130px; /* 8px : margin-top of body element 21px : margin-top of h1 element which must not collapse with body's margin-top 80px : content height: 2 line boxes required to render the "Test passes if ..." sentence 21px : margin-bottom of h1 element ==================================== 130px : top position of span#pass in document box */ } </style> </head> <body> <div> <h1>Test passes if "PASS!" is<br>on the right ↘</h1> <span id="pass">PASS!</span> </div> </body> </html>