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: Absolutely positioned non-replaced elements with left, width, right and margin-left not auto</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width">
7 <meta name="flags" content="ahem">
8 <meta name="assert" content="If 'left', 'width', 'right' and 'margin-left' are all not 'auto' and 'margin-right' is 'auto', then solve the equation for 'margin-right'.">
9 <style type="text/css">
10 #containingblock
11 {
12 border: solid black;
13 direction: rtl;
14 height: 2in;
15 position: relative;
16 width: 3in;
17 }
18 div div
19 {
20 /* left + margin-left + border-left-width + padding-left + width + padding-right + border-right-width + margin-right + right = width of containing block */
21 /* 1in + 1in + 0 + 0 + 1in + 0 + 0 + solve + 1in = 3in */
22 background: red;
23 color: blue;
24 font: 1in/1em Ahem;
25 left: 1in;
26 margin-left: 1in;
27 margin-right: auto; /* value is solved to -1 */
28 position: absolute;
29 right: 1in;
30 width: 1in;
31 }
32 </style>
33 </head>
34 <body>
35 <p>Test passes if the blue square is in the upper-right corner of the black rectangle and there is no red visible on the page.</p>
36 <div id="containingblock">
37 <div>X</div>
38 </div>
39 </body>
40 </html>