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| 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/x
html1/DTD/xhtml1-strict.dtd"> |
| 2 |
| 3 <html xmlns="http://www.w3.org/1999/xhtml"> |
| 4 |
| 5 <head> |
| 6 |
| 7 <title>CSS Test: Solving 'width: auto' of a block-level non-replaced element i
n normal flow with one other property set to an 'auto' value</title> |
| 8 |
| 9 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserB
ugsSection/css21testsuite/" /> |
| 10 <link rel="help" title="10.3.3 Block-level, non-replaced elements in normal fl
ow" href="http://www.w3.org/TR/CSS21/visudet.html#blockwidth" /> |
| 11 <meta content="" name="flags" /> |
| 12 <meta content="If 'width' is set to 'auto', any other 'auto' values become '0'
and the determination of 'width' proceeds from the following equality: 'margin-
left' + 'border-left-width' + 'padding-left' + 'width' + 'padding-right' + 'bord
er-right-width' + 'margin-right' = width of containing block" name="assert" /> |
| 13 |
| 14 <style type="text/css"><![CDATA[ |
| 15 div {height: 200px;} |
| 16 |
| 17 div#containing-block |
| 18 { |
| 19 border-right: red solid 200px; |
| 20 padding-right: 200px; |
| 21 width: 0px; |
| 22 } |
| 23 |
| 24 div#child |
| 25 { |
| 26 border-right: green solid 200px; |
| 27 margin-right: -400px; |
| 28 } |
| 29 |
| 30 /* |
| 31 Calculation of used width for div#child: |
| 32 |
| 33 margin-left : 0px (or auto) |
| 34 + border-left-width : 0px |
| 35 + padding-left : 0px |
| 36 + width : auto |
| 37 + padding-right : 0px |
| 38 + border-right-width : 200px |
| 39 + margin-right : -400px |
| 40 ==================================== |
| 41 width of containing block : 0px |
| 42 |
| 43 Therefore 'width: auto' must be resolved as 'width: 200px'. |
| 44 Therefore div#child's green border-right should overlap perfectly |
| 45 div#containing-block's red border-right. |
| 46 */ |
| 47 ]]></style> |
| 48 |
| 49 </head> |
| 50 |
| 51 <body> |
| 52 |
| 53 <p>Test passes if there is a filled green square and <strong>no red</strong>.<
/p> |
| 54 |
| 55 <div id="containing-block"> |
| 56 <div id="child"></div> |
| 57 </div> |
| 58 |
| 59 </body> |
| 60 </html> |
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