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: Em sizes</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#length-units">
7 <meta name="flags" content="ahem">
8 <meta name="assert" content="The 'em' unit is equal to the computed value of the 'font-size' property (default) of the element on which it is used.">
9 <style type="text/css">
10 #test
11 {
12 background: black;
13 height: 1em;
14 width: 1em;
15 }
16 div
17 {
18 font-family: Ahem;
19 margin-top: 10px;
20 }
21 </style>
22 </head>
23 <body>
24 <p>Test passes if the two boxes below are the same size.</p>
25 <div id="div1">
26 <div id="test"></div>
27 <div>X</div>
28 </div>
29 </body>
30 </html>