nav_mid_left地方不對(duì)
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>企業(yè)1.01</title>
<link href="css/main.css" rel="stylesheet" type="text/css"/>
<script src="js/setHomeSetFav.js" type="text/javascript" charset="gb2312"></script>
</head>
<body>
<div class="top">
<div class="top_content">
<ul>
<li><a href="#" onClick="AddFavorite(window.location,document.title)">加入收藏</a></li>
<li><a href="#" onClick="SetHome(window.location)">設(shè)為首頁</a></li>
</ul>
</div>
</div><!--top結(jié)束-->
<div class="wrap">
<div class="logo">
<div class="logo_left">
<img src="images/QQ圖片20170911210715.png" alt="highway實(shí)驗(yàn)室"/>
<!--<div class="logo_mid"></div>-->
</div>
<div class="logo_right">
<img src="images/QQ圖片20170911210728.png" alt="highway實(shí)驗(yàn)室"/>
</div>
</div><!--logo結(jié)束-->
<div class="nav">
? <div class="nav_left"></div>
? <div class="nav_mid">
? ? <div class="nav_mid_left">
? ? ? ?<ul>
? ? ? ?<li>1</li>
? ? ? ?<li>2</li>
? ? ? ?</ul>
? ? </div>
? ? <div class="nav_mid_right">
? ? ? ?<form action="" method="post">
? ? ? ?<input type="text"/>
? ? ? ?</form>
? ? </div>
? </div><!--nav_mid結(jié)束-->
? <div class="nav_right"></div>
</div><!--nav結(jié)束-->
</div><!--wrap結(jié)束-->
</body>
</html>
*{
margin:0;
padding:0;
font-size:12px;
}
body{
background-color:#66F;
}
.top{
height:12px;
width:100%;
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:12px;
}
.top_content a:link,.top_content a:visited
{
color:#000;
text-decoration:none;
}
.top_content a:hover,.top_content a:active
{
color:#F0F;
text-decoration:none;
}
.wrap{
width:1000px;
margin:0 auto;
}
.logo{
height:118px;
}
.logo_left{
width:346px;
float:left;
}
.logo_right{
width:346px;
float:right;
}
.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)no-repeat;
}
.nav_left,.nav_mid,.nav_right
{
height:40px;
float:left;
}
2017-12-11
在。nav_left里面寫一個(gè)clear：left就行
2017-09-13
你的.nav_left,.nav_mid,.nav_right 總寬度達(dá)1000px,而設(shè)置了邊框的話 就不夠用了 你把中間nav.mid設(shè)置成970試試?