absolute-replaced-width-029.xht (2459B)
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>CSS Test: Absolutely positioned inline replaced element with 'direction' as right-to-left, 'auto' specified for 'margin-left', 'margin-right', 'right' and intrinsic width</title> 5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> 6 <link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-09-07 --> 7 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-replaced-width" /> 8 <link rel="match" href="absolute-replaced-width-022-ref.xht" /> 9 10 <meta name="flags" content="image" /> 11 <meta name="assert" content="The intrinsic width is used if 'height' and 'width' are 'auto'. Computed value of 'auto' for 'margin-left' or margin-right' on absolutely positioned inline replaced element becomes a used value of '0'. If at this point there is an 'auto' left (like right as in this test), solve the equation for that value." /> 12 <style type="text/css"> 13 #div1 14 { 15 border: solid black; 16 direction: rtl; 17 height: 2in; 18 position: relative; 19 width: 2in; 20 } 21 img 22 { 23 margin-left: auto; 24 margin-right: auto; 25 left: 1in; 26 position: absolute; 27 right: auto; 28 } 29 30 /* 31 32 1in : left 33 0px (set) : margin-left 34 1in : width (intrinsic width) 35 0px (set) : margin-right 36 (solve) : right 37 ========================= 38 2in : width of containing block (2in) 39 40 Therefore , the used right offset must be 0px 41 so that the contraining equation gets balanced. 42 43 */ 44 45 div div 46 { 47 background: orange; 48 height: 96px; 49 margin-left: 1in; 50 margin-top: 96px; 51 width: 96px; 52 } 53 </style> 54 </head> 55 <body> 56 <p>Test passes if the blue and orange squares have the same width and the blue square is in the upper-right corner of an hollow black square.</p> 57 <div id="div1"> 58 <img alt="blue 96x96" src="support/blue96x96.png" /> 59 <div></div> 60 </div> 61 </body> 62 </html>