菜鸟学堂
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟学堂(edu.jb51.net)</title> <style> .center { margin:auto; width:70%; background-color:#b0e0e6; } </style> </head> <body> <div class="center"> <p>In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.</p> <p>'Whenever you feel like criticizing anyone,' he told me, 'just remember that all the people in this world haven't had the advantages that you've had.'</p> </div> <p><b>注意: </b>使用 margin:auto 无法兼容 IE8, 除非 !DOCTYPE 已经声明.</p> </body> </html>
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菜鸟学堂 edu.jb51.net