CSS设置块元素水平垂直居中
啥也不说了,直接贴代码
<!doctype html> <html> <head> <meta charset="utf-8"> <title>CSS设置块元素水平垂直居中</title> <style type="text/css"> #cm { height:200px; width:400px; margin:-100px 0px 0px -200px; padding:0; position:absolute; top: 50%; left: 50%; } </style> </head> <body> <header> <hgroup> </hgroup> <nav> </nav> </header> <section> <div id="cm"> <p>CSS设置块元素水平垂直居中</p> </div> </section> <aside> </aside> <footer> </footer> </body> </html>