Float Divider with clear both
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title></title> <style type="text/css" media="Screen"> * .float { float: left; background: red; } * .float-divider { clear: both; height: 20px; margin-bottom: 20px; border-bottom: 5px solid black; font-size: 1px; line-height: 1px; background: pink; } </style> </head> <body> <h2>First Row of Floats</h2> <div class="float">Float 1</div> <div class="float">Float 2</div> <div class="float">Float 3</div> <div class="float-divider"></div> <h2>Second Row of Floats</h2> <div class="float">Float 4</div> <div class="float">Float 5</div> <div class="float">Float 6</div> </body> </html>