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最新推荐文章于 2024-08-01 13:41:00 发布

原创最新推荐文章于 2024-08-01 13:41:00 发布 · 781 阅读

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<!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>Document</title>
</head>
<body>
<style>
    .popup-tip{
        margin-top:100px;

        display:block;
        position: absolute;
        top: 30px;
        left: 30px;

        width: 100px;
        background: #fff;
        padding: 10px;
        color: #333;
        border-radius: 4px;
        border: 1px solid #fb0;
    }
    .popup-tip span{
        display: block;
        width: 0;
        height: 0;
        border-width: 0 10px 10px;
        border-style: solid;
        border-color: transparent transparent #fb0;
        position: absolute;
        top: -10px;
        left: 50%;
        margin-left: -10px;
    }
    .popup-tip em{
        display: block;
        width: 0;
        height: 0;
        border-width: 0 10px 10px;
        border-style: solid;
        border-color: transparent transparent #ffffff;
        position: absolute;
        top: 1px;
        left: -10px;
    }
</style>

    <div class="popup-tip">
        <span>
            <em></em>
        </span>
        测试
    </div>

</body>
</html>