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: Margin-top using millimeters with a negative zero value, -0mm</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#propdef-margin-top">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/box.html#margin-properties">
8 <meta name="flags" content="">
9 <meta name="assert" content="The 'margin-top' property sets a negative zero length value in millimeters.">
10 <style type="text/css">
11 div
12 {
13 height: 0;
14 }
15 #div1
16 {
17 border-top: 5px solid blue;
18 }
19 #div2
20 {
21 border-top: 5px solid orange;
22 margin-top: -0mm;
23 }
24 </style>
25 </head>
26 <body>
27 <p>Test passes if there is no space between the blue and orange lines below.</p>
28 <div id="div1"></div>
29 <div id="div2"></div>
30 </body>
31 </html>