鼠标划过会向上移动改变颜色
html文件
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>导航栏</title>
<link rel="stylesheet" href="css/dhl1.css" />
</head>
<body>
<div class="dhl">
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
<a href=""><span>主页1</span></a>
</div>
</body>
</html>
css文件
*{
margin:0;
padding:0;
}
span{
display:block;
text-align:center;
}
.dhl{
display: flex;
justify-content: center;
position: absolute;
left: 0;
right: 0;
top: 50px;
margin: auto;
}
.dhl:after,
.dhl:before{
margin-top: 0.5em;
content: "";
display: flex;
border: 1.5em solid #fff;
}
.dhl:after{
border-right-color: transparent;
}
.dhl:before{
border-left-color: transparent;
}
.dhl a:link
.dhl a:visited{
color: #000;
text-decoration: none;
height: 3.5em;
overflow: hidden;
}
.dhl span{
background: #fff;
display: inline-block;
line-height: 3em;
padding: 0 1.5em;
margin-top: 0.5em;
position: relative;
transition: background-color 0.2s,margin-top 0.2s;
}
.dhl a:hover span
{
background: #FFD204;
margin-top: 0;
}
.dhl span:before{
content: "";
position: absolute;
top: 3em;
left: 0;
border-right: 0.5em solid #9B8651;
border-bottom: 0.5em solid #fff;
}
.dhl span:after{
content: "";
position: absolute;
top: 3em;
right: 0;
border-left: 0.5em solid #9B8651;
border-bottom: 0.5 solid #fff;
}