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最新推荐文章于 2024-08-12 17:14:51 发布

原创最新推荐文章于 2024-08-12 17:14:51 发布 · 363 阅读

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<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        div{
            width: 180px;
            height: 30px;
            border: 1px solid #f00;
            border-radius: 10px;
            margin: 200px auto;
            position: relative;
        }
        div:after{
            content: '';
            position: absolute;
            width: 15px;
            height: 15px;
            right: 10px;
            top:8px;
            border-top: 1px solid #f90;
            border-right: 1px solid #f90;
            transform: rotate(45deg);
        }
    </style>
</head>
<body>

<div></div>
</body>
</html>