<!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: Pseudo-classes and layout</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/selector.html#first-line-pseudo" /> <meta name="flags" content="interact may" /> <meta name="assert" content="User agents are not required to reflow a currently displayed document due to pseudo-class transitions." /> <style type="text/css"> div { float: left; width: 60px; height: 60px; } #div1 { background: blue; } #div1:hover { width: 300px; height: 300px; } #div3 { background: purple; } #div2 { clear: left; background: orange; } </style> </head> <body> <p>PREREQUISITE: Hover over the blue box.</p> <p>Test passes if the blue square width and height increase significantly.</p> <p>When this happens, the purple and orange squares may or may not reflow.</p> <div id="div1"></div> <div id="div3"></div> <div id="div2"></div> </body> </html>