文档介绍：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Transitional//EN" "/xhtml1/DTD/xhtml1-"> <html xmlns="9/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title> 我的网页</title> <style> <!-- body, html{ margin:0 px; padding:0 px; text-align:center; background-color:#336666; } #container{ position:relative; text-align:left; margin:0 auto; padding:0px; width:900px; background:url() repeat-y; } #banner{ border:1px solid #000000; text-align:left ; background-color:#; padding:10px; margin-bottom:2px; background:url() repeat-x; } #left{ position:absolute; top:0px; left:0px; margin:0px; background:#; width:190px; } #middle{ padding:10px; background:; margin:0px 190px 0px 190px; margin-top:0px; background-image:url(); background-repeat:no-repeat; background-position:center bottom; background-color:#336666; } #right{ position:absolute; top:0px; right:0px; margin:0px; background:#; width:190px; } #mainbox{ position:relative; border:1px solid #000000; } #footer{ clear:both; text-align:center; height:30px; border:1px solid #000000; background:#ccc; } a{ font-family:Arial, Helvetica, sans-serif; font-size:12px; text-align:center; margin:3px; } a:link,a:visited{ color:#a62020; padding:4px 10px 4px 10px; background-color:#ecd8db; text-decoration:none; border-top:1px solid #eeeeee; border-left:1px solid #eeeeee; border-bottom:1px solid #