答案 0 :(得分:4)
li{
position: relative;
}
li:after{
background: #FFF;
content: "";
display: block;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 50%;
}
<ul>
<li>Sample link</li>
<li>Sample link</li>
<li>Sample link</li>
<li>Sample link</li>
</ul>
答案 1 :(得分:0)
希望这会对你有所帮助:
<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
}
li {
float: left;
}
li a {
display: inline-block;
color: #000;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
.cover_div{ height: 20px;
position: absolute;
width: 300px;
opacity: 1;
top: 10px;
background-color: #fff;}
</style>
</head>
<body>
<div class="cover_div"></div>
<div class="menu">
<ul>
<li><a class="active" href="#home">Home</a></li>
<li><a href="#news">News</a></li>
<li><a href="#contact">Contact</a></li>
<li><a href="#about">About</a></li>
</ul>
</div>
</body>
</html>