<!DOCTYPE html> <html> <head> <style type="text/css"> #separator { height: 20px; margin-bottom: 10px; background-color: green; } #float { float: left; height: 100px; width: 50px; margin-top: 10px; background-color: blue; } </style> </head> <body> <div id="separator"></div> <div id="float"></div> </body> </html>
