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: Clip using 'em' units with a negative zero value, -0em</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#propdef-clip">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/visufx.html#clipping">
8 <meta name="flags" content="ahem">
9 <meta name="assert" content="The 'clip' property sets a negative zero value, in 'em' units, for all sides of the clipping rectangle.">
10 <style type="text/css">
11 div
12 {
13 background: red;
14 clip: rect(-0em, -0em, -0em, -0em);
15 font: 20px/1 Ahem;
16 height: 1in;
17 position: absolute;
18 width: 1in;
19 }
20 </style>
21 </head>
22 <body>
23 <p>Test passes if there is no red visible on the page.</p>
24 <div></div>
25 </body>
26 </html>