<!DOCTYPE html> <html> <head> <title>A Little Game!</title> <meta charset="utf-8" /> <style> html,body{ height:100%; width: 100%; margin: 0; padding: 0; } #playground{ background-color: blue; width: 100%; height: 100%; margin: 0; padding: 0; } </style> </head> <body> <div id="playground">fdsa</div> </body> </html>
原文：http://www.cnblogs.com/jingjingdidunhe/p/6617133.html