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 - floated elements do not collapse margins</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins">
7 <meta name="flags" content="ahem image">
8 <meta name="assert" content="A floated box does not collapse its margins with any other box.">
9 <style type="text/css">
10 div
11 {
12 font: 20px/1em Ahem;
13 width: 5em;
14 }
15 #div1
16 {
17 background: url('support/margin-collapse-2em-space.png');
18 height: 4em;
19 }
20 div div
21 {
22 background: green;
23 height: 1em;
24 }
25 #div2
26 {
27 margin-bottom: 1em;
28 }
29 #div3
30 {
31 float: left;
32 margin-top: 1em;
33 }
34 </style>
35 </head>
36 <body>
37 <p>Test passes if there is no red visible on the page.</p>
38 <div id="div1">
39 <div id="div2"></div>
40 <div id="div3"></div>
41 </div>
42 </body>
43 </html>