block-non-replaced-width-007.xht (1901B)
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: Box centering with 'margin-left' and 'margin-right' set to auto</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/" /> <!-- 2012-09-29 --> 7 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#blockwidth" /> 8 <link rel="match" href="block-non-replaced-width-007-ref.xht" /> 9 10 <meta name="flags" content="ahem" /> 11 <meta name="assert" content="When 'margin-left' and 'margin-right' are set to 'auto' and the element has a 'width', then the box will be centered within the edges of its containing block." /> 12 <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" /> 13 <style type="text/css"> 14 #div1 15 { 16 border: solid black; 17 height: 200px; 18 width: 200px; 19 } 20 #div2 21 { 22 background-color: orange; 23 border-color: orange; 24 border-style: solid; 25 border-width: 0 25px; 26 margin: 0 auto; 27 padding: 0; 28 height: 100px; 29 width: 50px; 30 } 31 #div3 32 { 33 color: blue; 34 font: 100px/1 Ahem; 35 text-align: center; 36 } 37 </style> 38 </head> 39 <body> 40 <p>Test passes if the blue and orange squares have the same width and the blue square is directly below the orange square.</p> 41 <div id="div1"> 42 <div id="div2"></div> 43 <div id="div3">X</div> 44 </div> 45 </body> 46 </html>