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: Percentage based 'height' on the root element</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#propdef-height">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-height-property">
8 <meta name="flags" content="">
9 <meta name="assert" content="A percentage 'height' on the root element is relative to the initial containing block.">
10 <style type="text/css">
11 html
12 {
13 border-bottom: 3px solid blue;
14 height: 50%;
15 }
16 </style>
17 </head>
18 <body>
19 <p>Test passes if the blue line below is in the middle of the page.</p>
20 </body>
21 </html>