<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>CSS Test: Width of containing block is determined by with of child</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-width-property" /> <meta name="flags" content="ahem" /> <meta name="assert" content="The containing block's width depends on this element's width because the resulting layout has not been defined in CSS2.1." /> <style type="text/css"> #span1 { background-color: red; font: 1in/1em Ahem; left: 10px; position: absolute; top: 10px; } p { margin-top: 1.1in; } </style> </head> <body> <p>Test passes if there is no red visible on the page.</p> <div> <span id="span1"> <span>XX</span> </span> </div> </body> </html>