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  • 小三角

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Document</title>
        <style>
            .triangle{
                247px;
                height: 55px;
                position: relative;
                text-align: center;
                line-height: 55px;
                background-color: #FFD200;
                margin: 0 auto;
                
            }
            .triangle::after{
                display: block;
                0;
                height: 0;
                border-left: 7px solid transparent;
                border-right: 7px solid transparent;
                border-top: 8px solid #FFD200;
                position: relative;
                left: 50%;
                margin-left: -7px;
                visibility: visible;
                content: "";
                top: 55px;
            }
        </style>
    </head>
    <body>
        <div class="triangle"></div>

    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/water-wf/p/10949363.html
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