导航栏中的“首页”为什么没有显示在左侧
*{
margin: 0px;
padding: 0px;
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;
}
.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;
height: 28px;
float: right;
margin-top: 26px;
color: #8E8E8E;
}
.logo_right img
{
vertical-align: middle;
margin-right: 10px;
}
.tel
{
font-family:"微软雅黑";
font-size: 18px;
color: #CC0000;
}
.nav
{
height: 40px;
}
.nav_left
{
width: 10px;
background: url(../images/nav_left.jpg) no-repeat;
}
.nav_mid
{
width: 980px;
background: url(../images/nav_bg.jpg) repeat-x;
}
.nav_right
{
width: 10px;
background: url(../images/nav_right.jpg) repeat-x;
}
.nav_left,.nav_mid,.nav_right
{
height: 40px;
float: left;
}
.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: 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: 7px;
background: url(../images/search.jpg) no-repeat right center;
background-color: #fff;
padding-right: 25px;
border: none;
}
各位大神请看一下这是怎么回事，在线等
所写的代码与与视频教程相同，但“首页”显示位置不在左侧，这是为什么？
