top-offset-003.xht (1864B)
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: Position 'top' property defines the offset from the top edge of the containing block</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/" /> <!-- 2012-09-26 --> 7 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-top" /> 8 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props" /> 9 <link rel="match" href="top-offset-003-ref.xht" /> 10 11 <meta name="assert" content="The 'top' property, for absolute positioning, specifies the offset of the element in relation to the containing block's top edge. The containing block of an absolutely positioned element is formed by the padding box of its nearest (closest) positioned ancestor element." /> 12 <style type="text/css"> 13 #container 14 { 15 height: 1in; 16 padding-top: 0.25in; 17 position: relative; 18 width: 1in; 19 } 20 #div1 21 { 22 background: white; 23 height: 0.5in; 24 position: absolute; 25 top: 0.75in; 26 width: 0.5in; 27 } 28 #div2 29 { 30 background: blue; 31 height: 1in; 32 width: 1in; 33 } 34 </style> 35 </head> 36 <body> 37 <p>Test passes if there is a blue square with its bottom-left corner missing.</p> 38 <div id="container"> 39 <div id="div1"></div> 40 <div id="div2"></div> 41 </div> 42 </body> 43 </html>