从上一节没对齐，这节也没对齐，有人帮我看看吗？
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<body>
<div class="top">
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<ul>
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<form action="" method="post">
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/* CSS Document */
*
{
margin:0;
padding:0;
font-size:12px;
}
body
{
background-color:#F5F5F5;
}
.top
{
width:100%;
height:27px;
background:url(../images/top_bg.jpg) repeat-x;
}
.top_content
{
width:1000px;
margin:0 auto;
}
.top_content li
{
list-style-image:url(../images/li_bg.gif);
float:right;
width:70px;
line-height:27px;<!--文字垂直居中-->
}
.top_content a:link,.top_content a:visited
{
color:#8E8E8E;
text-decoration:none;
}
.top_content a:hover,.top_content a:active
{
color:#900;
text-decoration:none;
}
.wrap
{
width:1000px;
margin:0 auto;
}
.logo
{
height:80px;
background-color:#FFF
}
.logo_left
{
width:200px;
float:left;
}
.logo_right
{
width:300px;
float:right;
height:28px;
margin-top:30px;
color:#8E8E8E;
}
.logo_right img
{
vertical-align:middle;
margin-right:10px;
}
.tel
{
font-family:"微软雅黑";
font-size:16px;
color:#C00;
}<!--以上头部部分-->
.nav
{
height:40px;
}
.nav_left
{
width:10px;
background:url(../images/nav_left.jpg) no-repeat;
/*background-image:url(../images/nav_left.jpg);
background-repeat:no-repeat;*/
}
.nav_mid
{
width:980px;
background:url(../images/nav_bg.jpg) repeat-x;
}
.nav_right
{
width:10px;
background:url(../images/nav_right.jpg) no-repeat;
}
.nav_left,.nav_mid,.nav_right
{
float:left;
height:40px;
}
.nav_mid_left,.nav_mid_right
{
float:left;
}
.nav_mid_left
{
width:680px;
}
.nav_mid_right
{
width:300px;
}
.nav_mid_left li
{
float:left;
list-style-type:none;
width:100px;
text-align:center;
line-height:40px;
}
.nav_mid_left a:link,.nav_mid_left a:visited
{
text-decoration:none;
color:#FFF;
font-size:16px;
font-family:"微软雅黑";
}
.nav_mid_left a:hover,.nav_mid_left a:active
{
text-decoration:none;
color:#FF0;
font-size:16px;
font-family:"微软雅黑";
}
.search_text
{
width:190px;
height:25px;
margin-top:5px;
background:url(../images/search.jpg) no-repeat right center;
/* background-image:url(../images/search.jpg);
background-repeat:no-repeat;
background-position:right center;*/
background-color:#FFFFFF;
padding-right:25px;
border:1px solid #FFFFFF;
}
