我一直认为用替换<center>标签<div style="text-align:center;">会得到相同的结果.显然我错了.
这是我的HTML的一部分:(您也可以在我为此问题创建的页面中看到它的运行情况:http: //www.moviez.4pu.com/ErrorPageSO.aspx
<div style="margin: 0 auto; background-color:red;border:5px solid black;margin-top:5px;width:750px;text-align:center;">
<span style="width:560px;padding-right:10px;text-align:left;float:left;">
<h1>Oops... We're sorry.</h1>
<h3>You've just encountered an unknown error. <br /></h3>
This site is a work-in-progress, we have already been informed of the error and will do our best to fix it. <br />
We would be thankful if you could contact us through the appropriate button and elaborate on what caused this error to appear.<br />
<br />
<h3>
You …