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最新推荐文章于 2021-07-02 09:53:20 发布

原创最新推荐文章于 2021-07-02 09:53:20 发布 · 802 阅读

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<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body{
            background: #333;
        }
        .btn{
            display: block;
            width: 100px;
            height: 40px;
            border: 2px solid white;
            position: absolute;
            margin: auto;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            color: white;
            line-height: 40px;
            text-align: center;
        }

        .line{
            display: block;
            position: absolute;
             /*平滑过渡效果 css3属性*/
            transition: all 5s;
            -webkit-transition: all 0.3s;
            -ms-transition: all 0.5s;
            -moz-transition: all 0.5s;
            background: white;
        }
        .lineTop{
            width: 0;
            height: 2px;
            top: -2px;
            right: -100%;
        }
        .btn:hover .lineTop{
            width: 100%;
            right: 0;
        }
        .lineBottom{
            width: 0;
            height: 2px;
            bottom: -2px;
            left: -100%;
        }
        .btn:hover .lineBottom{
            width: 100%;
            left: 0;
        }
        .lineLeft{
            width: 2px;
            height: 0;
            left: -2px;
            top: -100%;
        }
        .btn:hover .lineLeft{
            height: 100%;
            top: 0;
        }
        .lineRight{
            width: 2px;
            height: 0;
            right: -2px;
            bottom: -100%;
        }
        .btn:hover .lineRight{
            height: 100%;
            bottom: 0;
        }
    </style>
    <body>
        <a class="btn">
            <span class="line lineTop"></span>
            <span class="line lineLeft"></span>
            <span class="line lineRight"></span>
            <span class="line lineBottom"></span>
            退货
        </a>
    </body>
</html>