numbers-units-005

Optional unit identifier after 0

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Assertion
After a zero length, the unit identifier is not necessary.

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: Optional unit identifier after 0</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="">
 8         <meta name="assert" content="After a zero length, the unit identifier is not necessary.">
 9         <style type="text/css">
10             div
11             {
12                 background: red;
13                 height: 1in;
14                 height: 0;
15                 width: 1in;
16             }
17         </style>
18     </head>
19     <body>
20         <p>Test passes if there is no red visible on the page.</p>
21         <div></div>
22     </body>
23 </html>