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  • CSS导航栏下划线跟随效果

    转载自 https://codepen.io/Chokcoco/pen/PRJvLN

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>CSS导航栏下划线跟随效果</title>
        <style>
        nav {
            100%;
           line-height: 80px;
           background-color: #eee; 
        }
        ul {
            display: flex;
            margin: 0 auto;
            padding: 0;
             60vw;
        }
        li {
            position: relative;
            flex: 1;
            text-align: center;
            font-size: 20px;
            list-style: none; 
            cursor: pointer;   
        }
        /* 借助伪元素 */
        li::before {
            content: '';
            position: absolute;
            top: 0;
            left: 100%;
            /* 刚开始下划线不显示,hover状态下下划线从一侧运动展开 */
             0;
            height: 100%;
            border-bottom: 2px solid #000;
            transition: 0.2s all linear;
        }
        li:hover::before {
             100%;
            left: 0;
            transition-delay: 0.1s;
        }
        li:hover ~ li::before {
            left: 0;
        }
    
        </style>
    </head>
    <body>
        <nav>
            <ul>
                <li>关注</li>
                <li>推荐</li>
                <li>排行榜</li>
                <li>视频</li>
                <li>关于我们</li>
            </ul>
        </nav>
    </body>
    </html>
    
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  • 原文地址:https://www.cnblogs.com/muqiao/p/9737537.html
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