<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"> <body> The two green blocks below should be identical and should each take up half the width of the browser window. <div style="border:1px solid black; width:50%; height:500px; background-color:green; float:right"></div> <div style="border:1px solid black; width:50%; height:500px; background-color:green;overflow:hidden"></div> </body> </html>