<ul>
<li>首页</li>
<li>今日要闻</li>
<li>风景图片</li>
<li>天气预报</li>
<li>我的日记</li>
</ul>
![]( "导航栏下划线跟随
1.html代码
2.css代码
3.最终效果如图，鼠标经过的时候会出现下划线")
![]( "导航栏下划线跟随
1.html代码
2.css代码
3.最终效果如图，鼠标经过的时候会出现下划线")
<style>
ul {
display: flex;
position: absolute;
width: 800px;
top: 10%;
left: 50%;
transform: translate(-50%, -50%);
list-style: none;
}
li {
position: relative;
padding: 20px;
font-size: 24px;
color: #000;
line-height: 1;
transition: 0.2s all linear;
cursor: pointer;
}
li::before {
content: "";
position: absolute;
top: 0;
left: 100%;
width: 0;
height: 100%;
border-bottom: 2px solid #000;
transition: 0.2s all linear;
}
li:hover::before {
width: 100%;
top: 0;
left: 0;
transition-delay: 0.1s;
border-bottom-color: #000;
z-index: -1;
}
li:hover ~ li::before {
left: 0;
}
li:active {
background: #000;
color: #fff;
}
View Code
