好看的css菜单

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>导航菜单</title>
<style>
body,td,th {
 font-family: Tahoma, Verdana, Arial, sans-serif;
 font-size: 12px;
 color: #333333;
}
body {
 margin-left: 0px;
 margin-top: 0px;
 margin-right: 0px;
 margin-bottom: 0px;
}
a {
 color: #333333;
 text-decoration: none;
}
a:hover {
 color: #FF0000;
 text-decoration: none;
}
a:active{
 color: #FF0000;
 text-decoration: none;
}
#menu{
 height:32px;
 margin-top:8px; background-color:#990000;
}
#menu ul{
 margin:auto; 778px; height:32px;
 list-style-type:none; padding:0px; margin-top:0px; margin-bottom:0px;
}
.m_li{
 float:left; 114px; line-height:32px;  text-align:center; margin-right:-2px; margin-left:-2px;
}
.m_li a{
 display:block; color:#FFFFFF; 114px;
}
.m_line{
 float:left; 1px; height:32px;
 line-height:32px;   /*ff下有效(图片垂直居中)*/
}
.m_line img{
 margin-top:expression(( 32 - this.height ) / 2);   /*ie下有效(图片垂直居中)*/
}
.m_li_a{
 float:left; 114px; line-height:32px; text-align:center; padding-top:3px; font-weight:bold;
 background-image:url(http://www.codefans.net/jscss/demoimg/200904/menu_bg2.jpg); position:relative; height:32px; margin-top:-3px; margin-right:-2px; margin-left:-2px;
}
.m_li_a a{
 display:block; color:#FF0000; 114px;
}
.smenu{
 774px; margin:0px auto 0px auto; padding:0px; list-style-type:none; height:32px;
}
.s_li{
 line-height:32px; auto; display:none; height:32px; 
}
.s_li_a{
 line-height:32px; auto; display:block; height:32px; 
}
</style>
<script>
//初始化
var def="1";
function mover(object){
  //主菜单
  var mm=document.getElementById("m_"+object);
  mm.className="m_li_a";
  //初始主菜单隐藏效果
  if(def!=0){
    var mdef=document.getElementById("m_"+def);
    mdef.className="m_li";
  }
  //子菜单
  var ss=document.getElementById("s_"+object);
  ss.style.display="block";
  //初始子菜单隐藏效果
  if(def!=0){
    var sdef=document.getElementById("s_"+def);
    sdef.style.display="none";
  }
}
function mout(object){
  //主菜单
  var mm=document.getElementById("m_"+object);
  mm.className="m_li";
  //初始主菜单
  if(def!=0){
    var mdef=document.getElementById("m_"+def);
    mdef.className="m_li_a";
  }
  //子菜单
  var ss=document.getElementById("s_"+object);
  ss.style.display="none";
  //初始子菜单
  if(def!=0){
    var sdef=document.getElementById("s_"+def);
    sdef.style.display="block";
  }
}
</script>
</head>
<body>
<div id="menu">
  <ul>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_1" class='m_li_a'><a href="#">财税首页</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_2" class='m_li' onmouseover='mover(2);' onmouseout='mout(2);'><a href="#">政务公开</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_3" class='m_li' onmouseover='mover(3);' onmouseout='mout(3);'><a href="#">网上办事</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_4" class='m_li' onmouseover='mover(4);' onmouseout='mout(4);'><a href="#">公告中心</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_5" class='m_li' onmouseover='mover(5);' onmouseout='mout(5);'><a href="#">法规中心</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_6" class='m_li' onmouseover='mover(6);' onmouseout='mout(6);'><a href="#">财税文化</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
    <li id="m_7" class='m_li' onmouseover='mover(7);' onmouseout='mout(7);'><a href="#">专题宣传</a></li>
    <li class="m_line"><img src="http://www.codefans.net/jscss/demoimg/200904/line2.gif" /></li>
  </ul>
</div>
<div style="height:32px; background-color:#F1F1F1;">
   <ul class="smenu">
     <li style="padding-left:29px;" id="s_1" class='s_li_a'>欢迎光临源码爱好者,您是本站第13122842位爱好者!</li>
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   </ul>
</div>
</body>
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原文地址:https://www.cnblogs.com/wsl2011/p/2236353.html