网页导航栏的下拉效果,通过div框的显示和隐藏实现。
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
padding: 0px;
margin: 0px;
}
.nav{
width: 600px;
height: 35px;
border: 1px solid black;
}
.nav-title{
width: 100px;
/*导航栏显示高度*/
max-height: 35px;
text-align: center;
line-height: 35px;
float: left;
background-color: greenyellow;
font-size: 20px;
/*超出部分隐藏*/
overflow: hidden;
transition: 1s;
}
/*鼠标指示效果*/
.nav-title:hover{
cursor: pointer;
/*显示下拉高度*/
max-height: 500px;
}
.nav-title ul{
list-style: none;
}
.nav-title li{
width: 100px;
height: 35px;
background-color: burlywood;
}
.nav-title li{
cursor: pointer;
}
</style>
</head>
<body>
<div class="nav">
<div class="nav-title">1
<ul>
<li>i</li>
<li>a</li>
<li>s</li>
<li>f</li>
</ul>
</div>
<div class="nav-title">2</div>
<div class="nav-title">3</div>
<div class="nav-title">4</div>
<div class="nav-title">5</div>
</div>
</div>
</body>
</html>
网页导航栏下拉效果
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