<!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><title></title><style type="text/css">.container{ width: 800px; height: 800px; background: pink;}* .box { float: right; overflow: auto; visibility: visible; width: auto; height: 100px; margin: 10px; padding: 10px; background: red;}* .small { left: 0px; right: 0px; width: auto; background: yellow; }</style></head><body> <div class="container"> <div class="small">this is a test. <BR/>this is a test. this is a test. this is a test. </div> <div class="box">this is a test</div> </div> </body></html>