css实现网站头部悬浮下划线导航菜单效果代码-html代码-BFW代码库

css实现网站头部悬浮下划线导航菜单效果代码

代码语言：html

代码描述：css实现网站头部悬浮下划线导航菜单效果代码，悬浮出现下划线动画效果

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title></title>

    <style>
        body {
      background: #222;
    }
    
    header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 2.5rem;
    }
    
    .logo {
      font-size: 34px;
      line-height: 50px;
      text-align: center;
      text-decoration: none;
      color: white;
    }
    
    .site-nav {
      border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    ul {
      display: flex;
      padding: 0;
      margin: 0;
      list-style-type: none;
    }
    ul:hover li:not(:hover) a {
      opacity: 0.2;
    }
    ul li {
      position: relative;
      padding: 30px 25px 30px 25px;
      cursor: pointer;
    }
    ul li::after {
      position: absolute;
      content: "";
      top: 100%;
      left: 0;
      width: 100%;
      height: 2px;
      background: #3498db;
      transform: scaleX(0);
      transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    }
    ul li:hover::after, ul li.active::after {
      transform: scaleX(1);
    }
    ul li a {
      position: relative;
      display: flex;
      color: white;
      font-family: Lato, sans-serif;
      text-decoration: none;
      transition: 0.4s cubic-bezier.........完整代码请登录后点击上方下载按钮下载查看