<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Test: Margin Collapsing with Clearance</title> <link rel="author" title="Microsoft" href="http://microsoft.com/"/> <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#flow-control"/> <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins"/> <style type="text/css"> div.target1 { position: absolute; left: -15px; height: 50px; width: 0; border-left: 10px solid yellow; top: 0px; } div.target2 { position: absolute; left: -15px; height: 20px; width: 0; border-left: 5px solid aqua; top: 50px; } div.target3 { position: absolute; left: -15px; height: 50px; width: 0; border-left: 10px solid orange; top: 100px; } div.container { width: 150px; position: relative; margin-left: 20px; border: solid thin; } div.box1 { height: 50px; background-color: yellow; } div.box2 { background-color: aqua; float: left; width: 20px; height: 20px; } div.box3 { margin-top: 50px; height: 50px; background-color: orange; } </style> </head> <body> <p>The coloured bars on the left should match the coloured boxes in the black box.</p> <div class="container"> <div class="target1"></div> <div class="target2"></div> <div class="target3"></div> <div class="box1">A</div> <div class="box2">B</div> <div class="box3">C</div> </div> </body> </html>