在做導航欄目的時候,總是遇到一個奇怪的bug

這里面還沒有增加什么Css樣式,但是這里始終就是有一塊空格,實在不知道哪來的
<!DOCTYPE?html>
<html>
<head>
<meta?charset="UTF-8">
<title>mukeplus</title>
<link?rel="stylesheet"?href="css/index.css"?type="text/css">
<script?src="js/setHomeSetFav.js"?type="text/javascript"?charset?=?"gb2312"></script>
</head>
<body>
<div>
<div>
<ul>
<li><a?href="#">add_home</a></li>
<li><a?href="#"?onClick?=?"AddFavorite(window.location,document.title)">add_to_share</a></li>
<li><a?href="#"?onClick?=?"SetHome(window.location)">contact_us</a></li>
</ul>
</div>
<!--?top?ending?-->
</div>
<div>
<div>
<div>
<img?src="images/logo.jpg"?alt="mukewang">
</div>
<div>
<img?src="images/tel.jpg"??alt="contact_to_us">24hours_waiting_for_you?<span>?020-245-135-23</span>
</div>
</div>
<!--?logo?ending?-->
<div>
<div></div>
<div>
<div>
<li><a?href="#">Home</a></li>
<li><a?href="#">About</a></li>
<li><a?href="#">News</a></li>
<li><a?href="#">Lessons</a></li>
<li><a?href="#">Online</a></li>
<li><a?href="#">Need</a></li>
</div>
<div>
<form?action="post"?action=?"">
<input?type="text">
</form>
</div>
</div>
<div></div>
</div>
<!--?nav?ending?-->
</div>
<!--?wrap?ending?-->
</body>
</html>
下面是CSS
*{
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:80px;
line-height:?27px;
}
.top_content?a:link,.top_content?a:visited{
color:#8E8E8E;
text-decoration:?none;
}
.top_content?a:active,.top_content?a:hover{
color:?#900;
}
.wrap{
width:?1000px;
margin:?0?auto;
}
.logo{
height:80px;
background:?#FFF;
}
.logo_left{
width:200px;
float:?left;
}
.logo_right{
color:?#8E8E8E;
width:300px;
float:?right;
height:?28px;
margin-top:30px;?
}
.logo_right?img{
vertical-align:?middle;
margin-right:8px;
}
.tel{
font-family:?yahei;
font-size:?16px;
color:orange;
}
2016-04-10
from那一段是搜索框,刪了就沒那個框了
2016-04-10
div后面沒給class沒命名,樣式不生效
2016-03-20
這樣設置一下:
.nav{
clear: both;
height: 40px;
}