block-formatting-contexts-014

Overflow set to 'auto' establishes a new block formatting context

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Assertion
A new block formatting context is established when overflow is set to 'auto'.

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: Overflow set to 'auto' establishes a new block formatting context</title>
 5         <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
 6         <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#block-formatting">
 7         <meta name="flags" content="">
 8         <meta name="assert" content="A new block formatting context is established when overflow is set to 'auto'.">
 9         <style type="text/css">
10             #div1
11             {
12                 height: 200px;
13                 width: 200px;
14             }
15             div div
16             {
17                 height: 50px;
18                 width: 50px;
19             }
20             #div2
21             {
22                 background: blue;
23                 float: left;
24             }
25             #div3
26             {
27                 overflow: auto;
28             }
29             div div div
30             {
31                 background: orange;
32                 height: 1in;
33                 width: 1in;
34             }
35         </style>
36     </head>
37     <body>
38         <p>Test passes if the blue and orange boxes (including any scrolling mechanism) below are the same size.</p>
39         <div id="div1">
40             <div id="div2"></div>
41             <div id="div3">
42                 <div></div>
43             </div>
44         </div>
45     </body>
46 </html>