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: top margins</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/041.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 .test { background: aqua; margin: 0; width: 6em; border: solid; }
10 .test .a { height: 1em; background: fuchsia; margin: 0; }
11 .test .b { background: red; margin: 0; }
12 .test .c { float: left; height: 1em; width: 3em; background: orange; margin: 0; }
13 .test .d { height: 1em; background: yellow; margin: 1em 0 0 0; }
14 .control { width: 6em; border: solid; }
15 .control .a { border-top: fuchsia 1em solid; }
16 .control .b { border-top: aqua 1em solid; }
17 .control .c { border-left: orange 3em solid; border-right: yellow 3em solid; height: 1em; }
18 </style>
19 </head>
20 <body>
21 <p>The two boxes below should look identical.</p>
22 <table>
23 <tr>
24 <td>
25 <div class="test">
26 <div class="a"></div>
27 <div class="b">
28 <div class="c"></div>
29 <div class="d"></div>
30 </div>
31 </div>
32 </td>
33 <td>
34 <div class="control">
35 <div class="a"></div>
36 <div class="b"></div>
37 <div class="c"></div>
38 </div>
39 </td>
40 </tr>
41 </table>
42
43
44 </body>
45 </html>