<!DOCTYPE html> <html> <head> <style type="text/css"> html, body { margin: 0; padding: 10px; } #abs-pos { width: 200px; background-color: lightgreen; } .margin { height: 40px; } #content { height: 100px; background-color: green; } </style> </head> <body> <div id="abs-pos"> <div class="margin"></div> <div id="content"></div> <div class="margin"></div> </div> </body> </html>