网络上大部分的网站，都可以实现页面缩小之后内容居中。例如csdn也可以。
我希望我自己的站也可以啊 我自己开发的站，缩小之后，内容全部往左上角靠拢，好纠结，我要跟主流一样啊。请问CSS该如何设计？或者哪个CSs标签可以实现？或者什么方法可以实现跟csdn这个功能，请各位指点。~~
那是因为你的页面默认是居左的，与缩小没关。
参考下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <title> New Document </title> <style type="text/css"> body{ text-align:center; } .main{ width:1024px; height:1024px; background:#FF0000; margin:0px auto 0px auto; } </style> </head> <body> <div class="main"></div> </body></html>定义margin:0 auto;可以实现左右居中
楼上正解 将div设置margin:0 auto;
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