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: Bottom using 'em' units with a value of negative zero, -0em</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-bottom">
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 'bottom' property sets a negative zero length value in 'em' units.">
10 <style type="text/css">
11 div
12 {
13 position: relative;
14 }
15 #div1
16 {
17 border-top: 5px solid orange;
18 }
19 #div2
20 {
21 border-top: 5px solid blue;
22 bottom: -0em;
23 }
24 </style>
25 </head>
26 <body>
27 <p>Test passes if the blue and the orange lines have no space between them.</p>
28 <div id="div1">
29 <div id="div2"></div>
30 </div>
31 </body>
32 </html>