1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2 <html lang="en">
3 <head>
4 <title>CSS Test: Margin Collapsing: negative margins (easy)</title>
5 <link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch">
6 <link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/block/margin-collapse/027.html" type="text/html">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins">
8 <style type="text/css">
9 .container { background: red; height: auto; border-top: 1em lime solid; border-bottom: 1em lime solid; }
10 .red { border-top: 1em solid red; }
11 .lime { border-top: 1em solid lime; margin-top: -1em; }
12 </style>
13 </head>
14 <body>
15 <p>There should be no red below.</p>
16 <div class="container">
17 <div class="red"></div>
18 <div class="lime"></div>
19 </div>
20
21
22 </body>
23 </html>