margin-top-052

Margin-top using millimeters with a negative zero value, -0mm

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Assertion
The 'margin-top' property sets a negative zero length value in millimeters.

Source

 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>