1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2 <html>
3 <head>
4 <title>CSS Test: Margin Collapsing with Clearance</title>
5 <link rel="author" title="Microsoft" href="http://microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#flow-control">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins">
8 <style type="text/css">
9 div.target1 { position: absolute; left: -15px; height: 50px; width: 0; border-left: 10px solid yellow; top: 0px; }
10 div.target3 { position: absolute; left: -15px; height: 50px; width: 0; border-left: 5px solid orange; top: 100px; }
11 div.target4 { position: absolute; left: -10px; height: 50px; width: 0; border-left: 5px solid silver; top: 100px; }
12 div.container { width: 150px; position: relative; margin-left: 20px; border: solid thin; }
13 div.box1 { height: 50px; margin: 0; background-color: yellow; }
14 div.parentof2and3 { margin: 0; background-color: silver; padding-right: 10px; }
15 div.box2 { display: none; }
16 div.box3 { margin-top: 50px; height: 50px; background-color: orange; }
17 </style>
18 </head>
19 <body>
20 <p>The coloured bars on the left should match the coloured boxes in the black box.</p>
21 <div class="container">
22 <div class="target1"></div>
23 <div class="target3"></div>
24 <div class="target4"></div>
25 <div class="box1">A</div>
26 <div class="parentof2and3">
27 <div class="box2">B</div>
28 <div class="box3">C</div>
29 </div>
30 </div>
31 </body>
32 </html>