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: Top using 'ex' units with a value of zero, 0ex</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#propdef-top">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props">
8 <meta name="flags" content="ahem">
9 <meta name="assert" content="The 'top' property sets a zero length value in 'ex' units.">
10 <style type="text/css">
11 div
12 {
13 font: 20px/1 Ahem;
14 position: relative;
15 }
16 #div1
17 {
18 border-top: 5px solid orange;
19 }
20 #div2
21 {
22 border-top: 5px solid blue;
23 top: 0ex;
24 }
25 </style>
26 </head>
27 <body>
28 <p>Test passes if the blue and the orange lines have no space between them.</p>
29 <div id="div1">
30 <div id="div2"></div>
31 </div>
32 </body>
33 </html>