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 size with font-size set to ex</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 (ex) of the element on which it is used.">
9 <style type="text/css">
10 #parent
11 {
12 font: 20px/1 Ahem;
13 }
14 #div1
15 {
16 font-size: 6ex;
17 }
18 #test
19 {
20 background: black;
21 height: 1em;
22 width: 1em;
23 }
24 div
25 {
26 margin-top: 5px;
27 }
28 #reference
29 {
30 background: black;
31 height: 1in;
32 width: 1in;
33 }
34 </style>
35 </head>
36 <body>
37 <p>Test passes if the three boxes below are the same size.</p>
38 <div id="parent">
39 <div id="div1">
40 <div id="test"></div>
41 <div>X</div>
42 <div id="reference"></div>
43 </div>
44 </div>
45 </body>
46 </html>