<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>Slashdot Layout Bug Testcase</title> <style type="text/css"> /* These rules cause the layout issue */ #yellow{ height: 100%; } #blue { height: 100%; } /* #green { height: 100%; } /* */ /* These rules are to demonstrate the layout issue */ #yellow { border: 3px solid yellow; } #blue { border: 3px solid blue; } #green { border: 3px solid green; } #red { border: 3px solid red; } #navy { border: 3px solid navy; } </style> </head> <body> <div id="yellow">Yellow <div id="blue">Blue <div id="green">Green</div> <div id="red">Red</div> </div> </div> <div id="navy"> <div>Navy</div> </div> </body> </html>