margin-collapse-007

Margin collapsing - floated elements do not collapse margins with children

WeasyPrint

This browser

Flags
ahem, image
Assertion
In-flow children of a floated element do not collapse margins.

Source

 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 with children</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="In-flow children of a floated element do not collapse margins.">
 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                 min-height: 4em;
19             }
20             div div
21             {
22                 background: green;
23                 height: 1em;
24             }
25             #div2, #div4
26             {
27                 float: left;
28             }
29             #div2, #div3
30             {
31                 margin-bottom: 1em;
32             }
33             #div4
34             {
35                 margin-top: 1em;
36             }
37         </style>
38     </head>
39     <body>
40         <p>Test passes if there is no red visible on the page.</p>
41         <div id="div1">
42             <div id="div2">
43                 <div id="div3"></div>
44             </div>
45             <div id="div4"></div>
46         </div>
47     </body>
48 </html>