<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Test: Right floated elements margins do not collapse</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="reviewer" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-04-07 --> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#floats" /> <link rel="match" href="floats-014-ref.xht" /> <meta name="assert" content="Right floating boxes never collapse with margins of adjacent boxes or other floats." /> <style type="text/css"> #div1 { border: solid 5px black; height: 232px; width: 232px; } div div { background: blue; height: 96px; margin: 10px; width: 96px; } #div2, #div4 { float: right; } #div3 { float: left; } </style> </head> <body> <p>Test passes if there is twice as much space between the blue squares as there is between the blue squares and the black container edge.</p> <div id="div1"> <div id="div2"></div> <div></div> <div id="div3"></div> <div id="div4"></div> </div> </body> </html>