margin-collapse-126

Margin Collapsing: negative margins (easy)

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 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/026.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 red solid; border-bottom: 1em lime solid; }
10    .test { border-top: 1em solid lime; margin-top: -1em; }
11   </style>
12  </head>
13  <body>
14   <p>There should be no red below.</p>
15   <div class="container">
16    <div class="test"></div>
17   </div>
18  
19 
20 </body>
21 </html>