靠右
怎么把最下面的添加联系人变成靠右？我只知道textalign。
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>无标题页</title> <asp:ContentPlaceHolder id="head" runat="server"> </asp:ContentPlaceHolder> <style type="text/css"> * { padding:0; margin:0; } body { font-family:verdana, sans-serif; font-size:small; } #navigation, #navigation li ul { list-style-type:none; } #navigation { margin:20px; } #navigation li { float:left; text-align:center; position:relative; } #navigation li a:link, #navigation li a:visited { display:block; text-decoration:none; color:#000; width:150px; height:40px; line-height:40px; border:1px solid #fff; border-width:1px 1px 0 0; background:#c5dbf2; padding-left:10px; } #navigation li a:hover { color:#fff; background:#2687eb; } #navigation li ul li a:hover { color:#fff; background:#6b839c; } #navigation li ul { display:none; position:absolute; top:40px; left:0; margin-top:1px; width:120px; } #navigation li ul li ul { display:none; position:absolute; top:0px; left:130px; margin-top:0; margin-left:1px; width:120px; } </style> <script type="text/javascript"> function displaySubMenu(li) { var subMenu = li.getElementsByTagName("ul")[0]; subMenu.style.display = "block"; } function hideSubMenu(li) { var subMenu = li.getElementsByTagName("ul")[0]; subMenu.style.display = "none"; } </script> </head><body><ul id="navigation"> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> <a href="Default4.aspx">管理联系人 </a> </li> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> <a href="#">订阅事件 </a> <ul> <li><a href="#">订阅版本质量更改事件</a></li> <li><a href="#">订阅版本完成事件</a></li> </ul> </li> <li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> <a href="search.aspx">查询联系人 </a> </li> </ul> <br /> <ul id="navigation"><li> <div style="text-align:right"> <a href=""> 添加联系人</a> </div> </li></ul> <div style="text-align:left"> <asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server"> </asp:ContentPlaceHolder> </div></body></html>